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A185079

a(n) = A064380(n) * A049417(n).

4

3, 8, 15, 24, 36, 48, 60, 80, 90, 120, 140, 168, 192, 216, 255, 288, 330, 360, 390, 448, 504, 528, 600, 624, 672, 720, 760, 840, 936, 960, 1020, 1056, 1134, 1200, 1300, 1368, 1440, 1512, 1620, 1680, 1632, 1848, 1920, 1980, 2088, 2208, 2312, 2400, 2496, 2592, 2730, 2808, 2880, 3024, 3240, 3200, 3330

(list; graph; refs; listen; history; text; internal format)

OFFSET

2,1

LINKS

Amiram Eldar, Table of n, a(n) for n = 2..10000

FORMULA

a(n) = n^2 + o(n^(1+eps)).

CROSSREFS

Cf. A064380, A049417, A007357, A185078, A185373, A185383.

Sequence in context: A005563 A067998 A066079 * A173569 A173570 A060615

Adjacent sequences: A185076 A185077 A185078 * A185080 A185081 A185082

KEYWORD

nonn

AUTHOR

Vladimir Shevelev, Feb 18 2011

EXTENSIONS

Corrected and extended by T. D. Noe, Feb 18 2011

STATUS

approved