A286956 - OEIS

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A286956

Main diagonal of A286950.

2

1, 0, 1, 3, 4, 6, 6, 8, 8, 9, 10, 11, 11, 13, 14, 14, 16, 17, 18, 19, 20, 21, 23, 23, 24, 25, 27, 27, 28, 29, 30, 31, 32, 33, 34, 34, 36, 37, 38, 39, 39, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 52, 52, 53, 54, 55, 56, 58, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,4

LINKS

Seiichi Manyama, Table of n, a(n) for n = 0..1000

FORMULA

a(n) = A010815(n) + n.

CROSSREFS

Cf. A010815, A286950.

Sequence in context: A077542 A325611 A263842 * A265283 A023836 A064800

Adjacent sequences: A286953 A286954 A286955 * A286957 A286958 A286959

KEYWORD

nonn

AUTHOR

Seiichi Manyama, May 17 2017

STATUS

approved