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A067868 a(n+1) = if n>0 then a(n)+a(floor(n/2))^2 else 1. 0
1, 2, 6, 10, 46, 82, 182, 282, 2398, 4514, 11238, 17962, 51086, 84210, 163734, 243258, 5993662, 11744066, 32120262, 52496458, 178789102, 305081746, 627715190, 950348634, 3560128030, 6169907426 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..25.

CROSSREFS

Cf. A000123, A056520.

Sequence in context: A275700 A258899 A248784 * A298760 A153803 A083524

Adjacent sequences:  A067865 A067866 A067867 * A067869 A067870 A067871

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller, Feb 16, 2002

STATUS

approved

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Last modified November 17 21:25 EST 2018. Contains 317279 sequences. (Running on oeis4.)