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A235612 Second column of array in A235610. 1
5, 18, 58, 179, 537, 1571, 4587, 13343 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..8.

John Tromp, John's Connect Four Playground, viewed Jan 23 2014.

CROSSREFS

Cf. A235610.

Sequence in context: A247717 A128553 A190163 * A000340 A301880 A034567

Adjacent sequences:  A235609 A235610 A235611 * A235613 A235614 A235615

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane, Jan 23 2014

STATUS

approved

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Last modified October 23 12:19 EDT 2019. Contains 328345 sequences. (Running on oeis4.)