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Search: id:A154280
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A154280 List of pairs: {a(n),b(n)}: f(n)=A004001(n); a(n)=f(n)+a(n-1); b(n)=f(n)*b(n-1); +0
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0, 1, 1, 1, 2, 1, 4, 2, 6, 4, 9, 12, 13, 48, 17, 192, 21, 768, 26, 3840, 32, 23040, 39, 161280, 46, 1128960, 54, 9031680, 62, 72253440, 70, 578027520, 78, 4624220160, 87, 41617981440, 97, 416179814400, 108, 4577977958400, 120, 54935735500800, 132 (list; graph; listen)
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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.

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