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A132434 a(n) = A132433(n) - 33. 2
104, 1064, 8744, 70184, 561704, 4493864, 35951144, 287609384, 2300875304, 18407002664, 147256021544, 1178048172584, 9424385380904, 75395083047464, 603160664379944, 4825285315039784, 38602282520318504, 308818260162548264, 2470546081300386344 (list; graph; refs; listen; history; text; internal format)
OFFSET
3,1
REFERENCES
V. Reeben, The highly composite numbers by Srinivasa Ramanujan and the fundamental constants of physics. J. Madras Univ., Sect. B, 51 (Ramanujan's 100th birthday issue, with a Table of h.c.n.'s up to 10^102), (1988) 88-146.
LINKS
FORMULA
From Colin Barker, May 12 2017: (Start)
G.f.: 8*x^3*(13 + 16*x) / ((1 - x)*(1 - 8*x)).
a(n) = (15*8^n - 1856) / 56 for n>2.
a(n) = 9*a(n-1) - 8*a(n-2) for n>4.
(End)
PROG
(PARI) Vec(8*x^3*(13 + 16*x) / ((1 - x)*(1 - 8*x)) + O(x^30)) \\ Colin Barker, May 12 2017
CROSSREFS
Sequence in context: A337145 A230028 A340898 * A187589 A200196 A234219
KEYWORD
nonn,easy
AUTHOR
Vello Reeben (reeben(AT)ut.ee), Aug 25 2007
STATUS
approved

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Last modified July 22 10:58 EDT 2024. Contains 374490 sequences. (Running on oeis4.)