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A003398
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Numbers that are the sum of 9 positive 9th powers.
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32
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9, 520, 1031, 1542, 2053, 2564, 3075, 3586, 4097, 4608, 19691, 20202, 20713, 21224, 21735, 22246, 22757, 23268, 23779, 39373, 39884, 40395, 40906, 41417, 41928, 42439, 42950, 59055, 59566, 60077, 60588, 61099, 61610, 62121, 78737, 79248, 79759, 80270, 80781, 81292, 98419
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OFFSET
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1,1
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LINKS
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EXAMPLE
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26015282 is in the sequence as 26015282 = 1^9 + 1^9 + 1^9 + 2^9 + 5^9 + 5^9 + 5^9 + 6^9 + 6^9.
56248367 is in the sequence as 56248367 = 2^9 + 5^9 + 5^9 + 5^9 + 6^9 + 6^9 + 6^9 + 6^9 + 6^9.
84613980 is in the sequence as 84613980 = 1^9 + 1^9 + 1^9 + 1^9 + 2^9 + 5^9 + 5^9 + 7^9 + 7^9. (End)
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MATHEMATICA
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M = 395235037; m = M^(1/9) // Ceiling; Reap[
For[b = a, b <= m, b++, For[c = b, c <= m, c++, For[d = c, d <= m, d++,
For[e = d, e <= m, e++, For[f = e, f <= m, f++, For[g = f, g <= m, g++,
For[h = g, h <= m, h++, For[i = h, i <= m, i++,
s = a^9 + b^9 + c^9 + d^9 + e^9 + f^9 + g^9 + h^9 + i^9;
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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STATUS
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approved
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