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A279640
Exponential transform of the seventh powers A001015.
2
1, 1, 129, 2572, 75053, 3228316, 129317797, 6067246144, 321040274585, 17868559819600, 1077981490855241, 69836621117631424, 4779269972787701701, 345917535629669229760, 26385854407691758178669, 2109071203770345994999936, 176264605227324999129677873
OFFSET
0,3
LINKS
FORMULA
E.g.f.: exp(exp(x)*(x^7+21*x^6+140*x^5+350*x^4+301*x^3+63*x^2+x)).
MAPLE
a:= proc(n) option remember; `if`(n=0, 1,
add(binomial(n-1, j-1)*j^7*a(n-j), j=1..n))
end:
seq(a(n), n=0..25);
CROSSREFS
Column k=7 of A279636.
Cf. A001015.
Sequence in context: A023876 A301551 A297493 * A327337 A305722 A189608
KEYWORD
nonn
AUTHOR
Alois P. Heinz, Dec 16 2016
STATUS
approved