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A049156 Recip transform of 2*(1 + x^2 + x^5)-1/(1-x). 0
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 (list; graph; refs; listen; history; text; internal format)
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

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Last modified October 18 23:02 EDT 2021. Contains 348070 sequences. (Running on oeis4.)