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Search: id:A103878
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A103878 Expansion of x / [(1-12x)(1-15x)(1-20x)(1-30x)(1-60x) ]. +0
2
0, 1, 137, 12019, 874853, 58067611, 3673451957, 226576032859, 13790081534933, 833490615528571, 50196582942983477, 3017503478665411099, 181223386494229073813, 10878637590184410995131 (list; graph; listen)
OFFSET

0,3

FORMULA

(1/12) [12^n - 4*15^n + 6*20^n - 4*30^n + 60^n ].

CROSSREFS

Cf. A001242.

Adjacent sequences: A103875 A103876 A103877 this_sequence A103879 A103880 A103881

Sequence in context: A136080 A094488 A138348 this_sequence A068154 A134874 A064104

KEYWORD

nonn,easy

AUTHOR

Ralf Stephan, Feb 20 2005

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Last modified October 6 12:54 EDT 2008. Contains 144667 sequences.


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