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A261366 a(n) = number of even terms in row n of triangle A261363. 3
0, 1, 1, 2, 1, 4, 3, 4, 1, 8, 7, 8, 5, 10, 7, 8, 1, 16, 15, 16, 13, 18, 15, 16, 9, 22, 19, 20, 13, 22, 15, 16, 1, 32, 31, 32, 29, 34, 31, 32, 25, 38, 35, 36, 29, 38, 31, 32, 17, 46, 43, 44, 37, 46, 39, 40, 25, 50, 43, 44, 29, 46, 31, 32, 1, 64, 63, 64, 61 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,4

COMMENTS

For n > 0: a(n) = n + 1 - A001316(n-1).

LINKS

Reinhard Zumkeller, Table of n, a(n) for n = 0..10000

PROG

(Haskell)

a261366 = sum . map ((1 -) . flip mod 2) . a261363_row

CROSSREFS

Cf. A261363, A001316.

Sequence in context: A102916 A081234 A105239 * A283166 A130973 A093779

Adjacent sequences:  A261363 A261364 A261365 * A261367 A261368 A261369

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller, Aug 16 2015

STATUS

approved

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Last modified February 24 22:26 EST 2018. Contains 299627 sequences. (Running on oeis4.)