A194626 - OEIS

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A194626

Numbers n such that next term of Hofstadter's Q-sequence differs by 1.

2, 3, 5, 6, 8, 16, 17, 19, 34, 36, 39, 40, 42, 49, 69, 71, 74, 78, 80, 85, 132, 167, 175, 176, 180, 181, 225, 238, 261, 271, 320, 331, 338, 340, 341, 353, 365, 371, 507, 689, 690, 706, 721, 738, 746, 921, 932, 952, 990, 1012, 1046, 1212, 1351, 1352, 1373

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OFFSET

1,1

COMMENTS

A005185(a(n)+1) = A005185(a(n)) + 1; A081827(a(n)) = 1.

LINKS

Reinhard Zumkeller, Table of n, a(n) for n = 1..200

Eric Weisstein's World of Mathematics, Hofstadter's Q-Sequence

Wikipedia, Hofstadter sequence

Index entries for Hofstadter-type sequences

PROG

(Haskell)