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A197192
Binomial(n+9, 9)*7^n
1
1, 70, 2695, 75460, 1716715, 33647614, 588833245, 9421331920, 140142312310, 1961992372340, 26094498552122, 332111799754280, 4068369546989930, 48194531556649940, 554237112901474310, 6207455664496512272, 67894046330430602975
OFFSET
0,2
LINKS
FORMULA
a(n) = C(n + 9, 9)*7^n.
PROG
(Magma) [Binomial(n+9, 9)*7^n: n in [0..20]]
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Vincenzo Librandi, Oct 13 2011
STATUS
approved