A197193 Binomial(n+10, 10)*7^n

1, 77, 3234, 98098, 2403401, 50471421, 942133192, 16016264264, 252256162158, 3727785507446, 52188997104244, 697434779483988, 8950413003377846, 110847422580294862, 1330169070963538344, 15518639161241280680, 176524520459119567735, 1962537315692564605995, 21369850770874592376390, 228319984551975908021430

Offset

0,2

Links

Vincenzo Librandi, Table of n, a(n) for n = 0..400

Formula

a(n) = C(n + 10, 10)*7^n.

G.f. -1 / (7*x-1)^11 . - R. J. Mathar, Oct 13 2011

Prog

(Magma) [Binomial(n+10, 10)*7^n: n in [0..20]]

Crossrefs

Cf. A139641, A140107, A140404, A170932

Sequence in context: A225703 A017793 A017740 * A004378 A049658 A217455

Adjacent sequences: A197190 A197191 A197192 * A197194 A197195 A197196

Keyword

nonn,easy

Author

Vincenzo Librandi, Oct 13 2011

Status

approved