A080770 a(n)=[e*(n+3)! ]-(n+3)(n+2)(n+1)(n)*[e*(n-1)! ].

17, 86, 157, 260, 401, 586, 821, 1112, 1465, 1886, 2381, 2956, 3617, 4370, 5221, 6176, 7241, 8422, 9725, 11156, 12721, 14426, 16277, 18280, 20441, 22766, 25261, 27932, 30785, 33826, 37061, 40496, 44137, 47990, 52061, 56356, 60881, 65642, 70645

Offset

1,1

Links

Table of n, a(n) for n=1..39.

Formula

a(1)=17 n>1 a(n)=n^3+7*n^2+17*n+16

Crossrefs

Cf. A000522.

Sequence in context: A146389 A328010 A041554 * A118863 A118533 A061679

Adjacent sequences: A080767 A080768 A080769 * A080771 A080772 A080773

Keyword

nonn

Author

Benoit Cloitre, Mar 10 2003

Status

approved