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A294855 Number of compositions (ordered partitions) of 1 into exactly 7*n+1 powers of 1/8. 2
1, 1, 6435, 1097525253, 1713228373452375, 14303426764164190428105, 460977928965130046448503507051, 46050764886573707269872023694736134925, 12176825528022093702548525617184407475359333407, 7565469782615095731665958935875509379368611893407583633 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,3
LINKS
FORMULA
a(n) = [x^(8^n)] (Sum_{j=0..7*n+1} x^(8^j))^(7*n+1).
CROSSREFS
Column k=7 of A294746.
Sequence in context: A194720 A140916 A208621 * A025040 A236092 A074978
KEYWORD
nonn
AUTHOR
Alois P. Heinz, Nov 09 2017
STATUS
approved

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Last modified February 23 21:40 EST 2024. Contains 370288 sequences. (Running on oeis4.)