A244223 Numbers k which have an odd representation in Greedy Catalan Base, i.e., where A014418(k) ends with digit one.

1, 3, 6, 8, 11, 13, 15, 17, 20, 22, 25, 27, 29, 31, 34, 36, 39, 41, 43, 45, 48, 50, 53, 55, 57, 59, 62, 64, 67, 69, 71, 73, 76, 78, 81, 83, 85, 87, 90, 92, 95, 97, 99, 101, 104, 106, 109, 111, 113, 115, 118, 120, 123, 125, 127, 129, 133, 135, 138, 140, 143, 145, 147, 149

Offset

1,2

Comments

A244225 works as an inverse function for this injection. We have A244225(a(n)) = n for all n >= 1.

Links

Antti Karttunen, Table of n, a(n) for n = 1..7118

Prog

(Scheme, with Antti Karttunen's IntSeq-library)
(define A244223 (NONZERO-POS 1 1 A244221))

Crossrefs

Complement: A244222.

Characteristic function: A244221.

First differences: A244228.

Cf. A014418, A244161, A244225, A244227.

Sequence in context: A013642 A140482 A212451 * A284534 A118011 A189679

Adjacent sequences: A244220 A244221 A244222 * A244224 A244225 A244226

Keyword

nonn

Author

Antti Karttunen, Jun 23 2014

Status

approved