A049156 Recip transform of 2*(1 + x^2 + x^5)-1/(1-x).

1, 1, 1, 1, 3, 13, 43, 115, 293, 837, 2709, 8945, 28419, 87857, 273911, 877575, 2864865, 9375817, 30567385, 99663761, 326774715, 1078769829, 3576918307, 11882250891, 39523870597, 131743569949, 440333991293, 1475535659073

Offset

0,5

Comments

Sign diagram of generating sequence: +-+--+---------...

Links

Table of n, a(n) for n=0..27.

Crossrefs

Sequence in context: A289413 A247584 A049173 * A054771 A258776 A201710

Adjacent sequences: A049153 A049154 A049155 * A049157 A049158 A049159

Keyword

nonn

Author

Olivier Gérard

Status

approved