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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

Colin Barker, Table of n, a(n) for n = 3..1000

Index entries for linear recurrences with constant coefficients, signature (9,-8).

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: A206014 A106298 A230028 * A187589 A200196 A234219

Adjacent sequences:  A132431 A132432 A132433 * A132435 A132436 A132437

KEYWORD

nonn,easy

AUTHOR

Vello Reeben (reeben(AT)ut.ee), Aug 25 2007

STATUS

approved

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Last modified May 27 07:51 EDT 2017. Contains 287202 sequences.