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A036681 T(n+2,2) with T as in A036355. 2
2, 5, 14, 32, 71, 149, 304, 604, 1177, 2256, 4266, 7974, 14758, 27079, 49312, 89200, 160393, 286867, 510596, 904838, 1597091, 2808672, 4922820, 8601660, 14986730, 26042201, 45141410, 78067712, 134719931, 232014593, 398818552, 684322432 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..31.

FORMULA

G.f.: (-x^2-x+2)/(1-x-x^2)^3.

CROSSREFS

Sequence in context: A022913 A056358 A296502 * A125615 A096772 A090803

Adjacent sequences:  A036678 A036679 A036680 * A036682 A036683 A036684

KEYWORD

nonn

AUTHOR

Floor van Lamoen

STATUS

approved

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Last modified February 16 08:26 EST 2019. Contains 320159 sequences. (Running on oeis4.)