A191861 Second member of a pair of numbers occurring in the definition of 1-happy couples.

1, 2, 1, 3, 1, 1, 5, 4, 1, 3, 1, 2, 5, 1, 4, 13, 3, 2, 6, 1, 1, 1, 5, 9, 5, 3, 7, 1, 5, 25, 3, 3, 1, 2, 3, 2, 3805, 8, 1, 27, 1, 36, 59, 1, 125, 3, 85, 4, 9, 1, 1, 41, 3, 53, 15, 12, 14, 732, 5, 569, 10, 1, 1, 1, 3, 13, 851525, 1, 2, 2, 73, 7, 13, 5, 11, 1

Offset

1,2

Links

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

J. H. Conway, On Happy Factorizations, J. Integer Sequences, Vol. 1, 1998, #1.

Initial Happy Factorization Data

Prog

(Haskell)
a191861 = snd . sqrtPair . a007969
-- Function sqrtPair is defined in A007968.
-- Reinhard Zumkeller, Oct 11 2015

Crossrefs

Cf. A007968, A007969.

Sequence in context: A178534 A110619 A354234 * A350200 A129761 A319299

Adjacent sequences: A191858 A191859 A191860 * A191862 A191863 A191864

Keyword

nonn

Author

Reinhard Zumkeller, Jun 18 2011

Extensions

Wrong comment and wrong formula removed (thanks to Wolfdieter Lang, who pointed this out) by Reinhard Zumkeller, Oct 11 2015

Status

approved