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URL: https://oeis.org/A067413

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A067413

Sixth column of triangle A067410.

3

1, 7, 84, 1008, 12096, 145152, 1741824, 20901888, 250822656, 3009871872, 36118462464, 433421549568, 5201058594816, 62412703137792, 748952437653504, 8987429251842048, 107849151022104576, 1294189812265254912

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OFFSET

0,2

COMMENTS

The fifth column is [1,6,60,600,6000,60000,...].

LINKS

Table of n, a(n) for n=0..17.

Index entries for linear recurrences with constant coefficients, signature (12).

FORMULA

a(n)= A067410(n+5, 5). a(n)= 7*12^(n-1), n>=1, a(0)=1.

G.f.: (1-5*x)/(1-12*x).

CROSSREFS

Cf. A067412 (fourth column), A067414 (seventh column), A001021 (powers of 12).

Sequence in context: A272496 A177009 A099674 * A370779 A166178 A346582

Adjacent sequences: A067410 A067411 A067412 * A067414 A067415 A067416

KEYWORD

nonn,easy

AUTHOR

Wolfdieter Lang, Jan 25 2002

STATUS

approved