A072990 a(2) = 1000, a(n) = 18 - n for 3 <= n <= 9, a(n) = 8 for n >= 10.

1000, 15, 14, 13, 12, 11, 10, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8

Offset: 2

Author

Vincenzo Vennarini (vennarini(AT)hotmail.com), Aug 21 2002

Keywords

• nonn
• easy
• less

Links

• Index entries for linear recurrences with constant coefficients, signature (1).

Crossrefs

Cf. A094326.

Formula

G.f.: x^2*(x^8+x^7+x^6+x^5+x^4+x^3+x^2+985*x-1000)/(x-1).

Extensions

Definition corrected by Georg Fischer, Aug 26 2024