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A209921 Position of positive values in A209661 and A209662. 4
1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 19, 21, 22, 23, 24, 25, 27, 28, 31, 32, 33, 36, 38, 42, 43, 44, 46, 47, 48, 49, 50, 54, 56, 57, 59, 62, 63, 64, 65, 66, 67, 69, 71, 72, 75, 76, 77, 79, 81, 83, 84, 85, 86, 88, 92, 93, 94, 96, 98, 99, 100, 103, 107, 108, 112, 114 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Sequence related to an infinite series which is equal to pi, due to Leonhard Euler.

LINKS

Ray Chandler, Table of n, a(n) for n = 1..10000

CROSSREFS

Positive terms of A209662.

Cf. A000796, A209661, A209922.

Sequence in context: A004439 A050126 A013939 * A268377 A201010 A004144

Adjacent sequences:  A209918 A209919 A209920 * A209922 A209923 A209924

KEYWORD

nonn

AUTHOR

Omar E. Pol, Mar 15 2012

EXTENSIONS

34 removed by Ray Chandler, Mar 19 2016

STATUS

approved

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