A244222 Numbers k which have even representation in Greedy Catalan Base, i.e., where A014418(k) ends with zero.

0, 2, 4, 5, 7, 9, 10, 12, 14, 16, 18, 19, 21, 23, 24, 26, 28, 30, 32, 33, 35, 37, 38, 40, 42, 44, 46, 47, 49, 51, 52, 54, 56, 58, 60, 61, 63, 65, 66, 68, 70, 72, 74, 75, 77, 79, 80, 82, 84, 86, 88, 89, 91, 93, 94, 96, 98, 100, 102, 103, 105, 107, 108, 110, 112, 114, 116, 117, 119, 121, 122, 124, 126, 128, 130, 131, 132

Offset

0,2

Comments

A244229 works as an inverse function for this injection. We have A244229(a(n)) = n for all n.

Links

Antti Karttunen, Table of n, a(n) for n = 0..9679

Prog

(Scheme, with Antti Karttunen's IntSeq-library)
(define A244222 (ZERO-POS 0 0 A244221))

Crossrefs

Complement: A244223.

Characteristic function: A244220.

Cf. A244221, A244229, A014418, A244161.

Sequence in context: A083120 A001614 A284535 * A360531 A050731 A295579

Adjacent sequences: A244219 A244220 A244221 * A244223 A244224 A244225

Keyword

nonn

Author

Antti Karttunen, Jun 23 2014

Status

approved