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A220969 Positions in A030229 where even terms occur. 3
2, 3, 4, 7, 8, 10, 12, 14, 18, 19, 22, 24, 26, 30, 32, 35, 37, 41, 43, 46, 48, 51, 53, 57, 59, 62, 64, 66, 69, 72, 78, 80, 83, 84, 88, 91, 95, 99, 102, 103, 107, 109, 110, 115, 116, 117, 120, 122, 129, 133, 137, 138, 139, 140, 144, 146, 152, 154, 156, 160 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

A030229(a(n)) mod 2 = 0; A020639(A030229(a(n))) = 2.

LINKS

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

PROG

(Haskell)

import Data.List (findIndices)

a220969 n = a220969_list !! (n-1)

a220969_list = map (+ 1) $ findIndices even a030229_list

CROSSREFS

Cf. A220968 (complement).

Sequence in context: A089190 A306677 A330722 * A207006 A171781 A329395

Adjacent sequences:  A220966 A220967 A220968 * A220970 A220971 A220972

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller, Dec 27 2012

STATUS

approved

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Last modified October 21 23:26 EDT 2021. Contains 348160 sequences. (Running on oeis4.)