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Search: id:A106633
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A106633 Number of ways to express n as k+lm, with k,l,m>=0. +0
1
1, 4, 8, 12, 17, 21, 27, 31, 37, 42, 48, 52, 60, 64, 70, 76, 83, 87, 95, 99, 107, 113, 119, 123, 133, 138, 144, 150, 158, 162, 172, 176, 184, 190, 196, 202, 213, 217, 223, 229, 239, 243, 253, 257, 265, 273, 279, 283, 295, 300, 308, 314, 322, 326, 336, 342, 352 (list; graph; listen)
OFFSET

0,2

EXAMPLE

0+1*2 = 0+2*1 = 1+1*1 = 2+0*0 = 2+0*1 = 2+0*2 = 2+1*0 = 2+2*0 = 2, so a(2)=8.

CROSSREFS

Cf. A006218.

Sequence in context: A037352 A028434 A001956 this_sequence A002004 A033156 A036573

Adjacent sequences: A106630 A106631 A106632 this_sequence A106634 A106635 A106636

KEYWORD

nonn

AUTHOR

Ralf Stephan, May 06 2005

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Last modified December 18 21:37 EST 2009. Contains 171024 sequences.


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