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A106634 Number of ways to express n as ik+lm, with i,k,l,m>=0. +0
1
1, 6, 21, 32, 62, 58, 124, 88, 173, 158, 226, 156, 380, 194, 340, 356, 466, 274, 613, 316, 690, 536, 596, 404, 1060, 552, 734, 728, 1032, 546, 1376, 596, 1213, 932, 1026, 976, 1858, 750, 1180, 1144, 1910, 854, 2048, 908, 1784, 1730, 1500, 1016, 2800 (list; graph; listen)
OFFSET

0,2

COMMENT

a(n) is odd iff n is in A001105.

CROSSREFS

Cf. A055507.

Sequence in context: A143322 A034897 A064440 this_sequence A063126 A115702 A003340

Adjacent sequences: A106631 A106632 A106633 this_sequence A106635 A106636 A106637

KEYWORD

nonn

AUTHOR

Ralf Stephan, May 06 2005

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Last modified December 2 11:54 EST 2009. Contains 167921 sequences.


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