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Search: id:A151692
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| A151692 |
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G.f.: Prod_{ k >= 2 } (1 + x^(2^k-1) + x^(2^k)). |
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+0
10
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| 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 1, 2, 1, 0, 0, 1, 1, 0, 1, 2, 1, 0, 1, 2, 1, 1, 3, 3, 1, 0, 0, 1, 1, 0, 1, 2, 1, 0, 1, 2, 1, 1, 3, 3, 1, 0, 1, 2, 1, 1, 3, 3, 1, 1, 3, 3, 2, 4, 6, 4, 1, 0, 0, 1, 1, 0, 1, 2, 1, 0, 1, 2, 1, 1, 3, 3, 1, 0, 1, 2, 1, 1, 3, 3, 1, 1, 3, 3, 2, 4, 6, 4, 1, 0, 1, 2, 1, 1, 3, 3, 1, 1, 3, 3, 2
(list; graph; listen)
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OFFSET
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0,12
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EXAMPLE
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Contribution from Omar E. Pol (info(AT)polprimos.com), Jun 09 2009: (Start)
Triangle begins:
1;
0,0;
1,1,0,0;
1,1,0,1,2,1,0,0;
1,1,0,1,2,1,0,1,2,1,1,3,3,1,0,0;
1,1,0,1,2,1,0,1,2,1,1,3,3,1,0,1,2,1,1,3,3,1,1,3,3,2,4,6,4,1,0,0;
1,1,0,1,2,1,0,1,2,1,1,3,3,1,0,1,2,1,1,3,3,1,1,3,3,2,4,6,4,1,0,1,2,1,1,3,3,...
(End)
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CROSSREFS
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For generating functions of the form Prod_{k>=c} (1+a*x^(2^k-1)+b*x^2^k)) for the following values of (a,b,c) see: (1,1,0) A160573, (1,1,1) A151552, (1,1,2) A151692, (2,1,0) A151685, (2,1,1) A151691, (1,2,0) A151688 and A152980, (1,2,1) A151550, (2,2,0) A151693, (2,2,1) A151694
Cf. A160573, A151552.
Cf. A000079. [From Omar E. Pol (info(AT)polprimos.com), Jun 09 2009]
Sequence in context: A035227 A049340 A056929 this_sequence A115201 A118229 A117201
Adjacent sequences: A151689 A151690 A151691 this_sequence A151693 A151694 A151695
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KEYWORD
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nonn
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com), Jun 04 2009
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