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

0,3

Comments

Partial sums are A101616.

Links

Table of n, a(n) for n=0..50.

Formula

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

Crossrefs

Cf. A026465.

Sequence in context: A101598 A342461 A157129 * A246359 A328114 A343504

Adjacent sequences: A101612 A101613 A101614 * A101616 A101617 A101618

Keyword

easy,nonn

Author

Paul Barry, Dec 09 2004

Status

approved