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Search: id:A117677
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A117677 a(n) = number of divisors of n^2 (excluding from 1 and n^2). +0
3
0, 1, 1, 3, 1, 7, 1, 5, 3, 7, 1, 13, 1, 7, 7, 7, 1, 13, 1, 13, 7, 7, 1, 19, 3, 7, 5, 13, 1, 25, 1, 9, 7, 7, 7, 23, 1, 7, 7, 19, 1, 25, 1, 13, 13, 7, 1, 25, 3, 13, 7, 13, 1, 19, 7, 19, 7, 7, 1, 43, 1, 7, 13, 11, 7, 25, 1, 13, 7, 25, 1, 33, 1, 7, 13, 13, 7, 25, 1, 25, 7, 7, 1, 43, 7, 7, 7, 19, 1, 43, 7 (list; graph; listen)
OFFSET

1,4

CROSSREFS

Equals A048691(n) - 2 for n>1. Cf. A117679, A117010.

Sequence in context: A053381 A038712 A065745 this_sequence A038870 A140435 A063754

Adjacent sequences: A117674 A117675 A117676 this_sequence A117678 A117679 A117680

KEYWORD

easy,nonn

AUTHOR

Mark Taggart (mt2612f(AT)aol.com), Apr 12 2006

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Last modified November 18 20:14 EST 2008. Contains 147244 sequences.


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