A101615 Number of representations of n as a sum of the Jacobsthal numbers A078008 (2 is allowed twice as a part).

1, 1, 2, 2, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 2, 2, 1, 1, 1, 1, 2, 2, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 2

Offset: 0

Author

Paul Barry, Dec 09 2004

Keywords

• easy
• nonn

Comments

Partial sums are A101616.

Crossrefs

Cf. A026465.

Formula

G.f.: Product{k>=0, 1+x^A078008(k)}/2