A329510 Expansion of (1 + x)*(1 + x + x^2)*(1 + x^2 - x^3) / (1 - x).

1, 3, 6, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6

Offset: 0

Author

N. J. A. Sloane, Nov 22 2019

Keywords

• nonn
• easy

Comments

Decimal expansion of 410663/3000000. - Elmo R. Oliveira, May 06 2024

Links

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

Crossrefs

Row 3 of array in A329508.

Programs

PARI

Vec((1 + x)*(1 + x + x^2)*(1 + x^2 - x^3) / (1 - x) + O(x^60)) \\ Colin Barker, Nov 23 2019

Formula

a(n) = 6 for n >= 6.