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A071108 CONTINUANT transform of {d(n)}, 1, 2, 2, 3, 2, 4, ... (A000005). 1
1, 3, 7, 24, 55, 244, 543, 2416, 7791, 33580, 74951, 483286, 1041523, 4649378, 19639035, 102844553, 225328141, 1454813399, 3134954939, 20264543033, 84193127071, 357037051317, 798267229705, 6743174888957, 21027791896576, 90854342475261, 384445161797620 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
N. J. A. Sloane, Transforms
MAPLE
with(numtheory):
a:= proc(n) option remember; `if`(n<0, 0,
`if`(n=0, 1, tau(n) *a(n-1) +a(n-2)))
end:
seq(a(n), n=1..35); # Alois P. Heinz, Aug 06 2013
CROSSREFS
Cf. A000005.
Sequence in context: A046102 A307793 A145542 * A148713 A148714 A148715
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Jun 11 2002
STATUS
approved

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Last modified March 29 02:16 EDT 2024. Contains 371264 sequences. (Running on oeis4.)