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A067407 Seventh column of triangle A067402. 2
1, 13, 637, 31213, 1529437, 74942413, 3672178237, 179936733613, 8816899947037, 432028097404813, 21169376772835837, 1037299461868956013, 50827673631578844637, 2490556007947363387213, 122037244389420805973437 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

FORMULA

a(n)= A067402(n+6, 6). a(n)= 13*49^(n-1), n>=1, a(0)=1.

G.f. (1-36*x)/(1-49*x).

CROSSREFS

Cf. A067406 (sixth column), A067408 (eighth column).

Sequence in context: A168601 A142210 A109875 * A143734 A068232 A092547

Adjacent sequences:  A067404 A067405 A067406 * A067408 A067409 A067410

KEYWORD

nonn,easy

AUTHOR

Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de), Jan 25 2002

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Last modified February 18 00:14 EST 2012. Contains 206085 sequences.