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A138392 Hankel transform of A062992 with interpolated zeros. 0
1, 3, 12, 128, 2048, 81920, 5242880, 805306368, 206158430208, 123145302310912, 126100789566373888, 295147905179352825856, 1208925819614629174706176, 11141460353568422474092118016, 182541686432865033815525261574144 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..14.

FORMULA

a(n)=2^(comb(n+1,2)+0^n-1)*(2+floor((n+1)/2)-0^n)

CROSSREFS

Sequence in context: A124153 A162127 A073987 * A152544 A035087 A056426

Adjacent sequences:  A138389 A138390 A138391 * A138393 A138394 A138395

KEYWORD

easy,nonn

AUTHOR

Paul Barry, Mar 18 2008

STATUS

approved

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Last modified May 26 00:29 EDT 2013. Contains 225650 sequences.