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A024960 s(n+3)/4, where s is A024959. 0
1, 2, 5, 12, 28, 66, 172, 440, 1108, 2784, 7552, 20040, 52336, 136896, 374688, 1013056, 2710016, 7243104, 20078784, 55031040, 149414144, 405759232, 1130565632, 3125798656, 8582582272, 23543099392, 66051398144, 183922571264, 508945206272 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..29.

CROSSREFS

Sequence in context: A239333 A255115 A166297 * A291234 A238828 A162036

Adjacent sequences:  A024957 A024958 A024959 * A024961 A024962 A024963

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified July 20 22:20 EDT 2019. Contains 325189 sequences. (Running on oeis4.)