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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

Alois P. Heinz, Table of n, a(n) for n = 1..500

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

Adjacent sequences:  A071105 A071106 A071107 * A071109 A071110 A071111

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Jun 11 2002

STATUS

approved

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Last modified September 20 22:20 EDT 2019. Contains 327252 sequences. (Running on oeis4.)