A067407 Seventh column of triangle A067402.

1, 13, 637, 31213, 1529437, 74942413, 3672178237, 179936733613, 8816899947037, 432028097404813, 21169376772835837, 1037299461868956013, 50827673631578844637, 2490556007947363387213, 122037244389420805973437, 5979824975081619492698413, 293011423778999355142222237

Offset

0,2

Links

Table of n, a(n) for n=0..16.

Index entries for linear recurrences with constant coefficients, signature (49).

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).

E.g.f.: (36 + 13*exp(49*x))/49. - Stefano Spezia, Sep 30 2022

Crossrefs

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

Cf. A067402.

Sequence in context: A372243 A362862 A351507 * A143734 A362898 A316331

Adjacent sequences: A067404 A067405 A067406 * A067408 A067409 A067410

Keyword

nonn,easy

Author

Wolfdieter Lang, Jan 25 2002

Status

approved