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A232972 Main diagonal of array P(i,j) mentioned in A064642. 1
1, 5, 46, 497, 5746, 68948, 846889, 10570001 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..7.

CROSSREFS

Cf. A064642, A064641.

Sequence in context: A042533 A169963 A198256 * A127304 A112029 A295544

Adjacent sequences:  A232969 A232970 A232971 * A232973 A232974 A232975

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane, Dec 05 2013

STATUS

approved

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Last modified March 21 22:19 EDT 2019. Contains 321382 sequences. (Running on oeis4.)