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A192424 (A192423)/2. 1
1, 0, 2, 1, 8, 10, 39, 70, 208, 439, 1162, 2640, 6641, 15600, 38362, 91481, 222688, 534650, 1295559, 3119990, 7544888, 18194639, 43958642, 106072320, 256167361, 618303360, 1492941842, 3603915601, 8701212248, 21005629450 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..29.

EXAMPLE

(See A192423.)

MATHEMATICA

(See A192423.)

CROSSREFS

Cf. A192423.

Sequence in context: A261157 A193728 A295582 * A211192 A160614 A307049

Adjacent sequences:  A192421 A192422 A192423 * A192425 A192426 A192427

KEYWORD

nonn

AUTHOR

Clark Kimberling, Jun 30 2011

STATUS

approved

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Last modified September 26 20:09 EDT 2020. Contains 337374 sequences. (Running on oeis4.)