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A259602 (A259260(n) + A259260(n+1)) / 2. 6
4, 9, 16, 25, 16, 4, 9, 16, 25, 36, 25, 16, 25, 36, 49, 64, 81, 100, 64, 16, 25, 36, 49, 64, 81, 64, 36, 49, 64, 81, 100, 81, 64, 81, 100, 121, 144, 169, 196, 144, 64, 100, 144, 81, 36, 49, 64, 81, 64, 49, 64, 81, 100, 121, 144, 169, 144, 121, 100, 64, 81 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

All terms are squares by definition of A259260.

LINKS

Reinhard Zumkeller, Table of n, a(n) for n = 1..10000

PROG

(Haskell)

a259602 n = a259602_list !! (n-1)

a259602_list = zipWith ((flip div 2 .) . (+))

                       a259260_list $ tail a259260_list

CROSSREFS

Cf. A259260, A000290, A086517, A259603, A259604, A259605.

Sequence in context: A070449 A070448 A081403 * A017668 A225004 A074373

Adjacent sequences:  A259599 A259600 A259601 * A259603 A259604 A259605

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller, Jun 30 2015

STATUS

approved

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Last modified October 19 13:01 EDT 2019. Contains 328222 sequences. (Running on oeis4.)