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A132388
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Same as A007488, but with the numbers arranged so that their reversals are in increasing order.
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2
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61, 691, 163, 487, 4201, 9631, 4441, 1861, 4483, 5227, 1297, 5209, 9049, 63211, 16141, 69481, 12391, 94273, 61483, 65707, 14437, 67057, 92767, 16987, 96979, 65899, 526501, 485701, 165901, 655111, 522211, 906421, 520621, 123031, 440131, 921931, 921241
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graph;
refs;
listen;
history;
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internal format)
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OFFSET
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1,1
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LINKS
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MAPLE
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read transforms: A132388ind := proc(n) option remember: local d, k: if(n=1)then return 4: fi: for k from procname(n-1)+1 do d:=digrev(k^2): if(length(k^2)=length(d) and isprime(digrev(k^2)))then return k: fi: od: end: A132388 := proc(n) return digrev(A132388ind(n)^2): end: seq(A132388(n), n=1..50); # Nathaniel Johnston, May 06 2011
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CROSSREFS
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KEYWORD
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nonn,base,easy
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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