A014419 Write n in base of Catalan numbers, then interpret as if written in base 3.

0, 1, 3, 4, 6, 9, 10, 12, 13, 15, 18, 19, 21, 22, 27, 28, 30, 31, 33, 36, 37, 39, 40, 42, 45, 46, 48, 49, 54, 55, 57, 58, 60, 63, 64, 66, 67, 69, 72, 73, 75, 76, 81, 82, 84, 85, 87, 90, 91, 93, 94, 96, 99, 100, 102, 103, 108, 109, 111, 112, 114, 117, 118, 120

Offset

0,3

Links

Table of n, a(n) for n=0..63.

Crossrefs

Cf. A014418.

Sequence in context: A115837 A102342 A286692 * A138670 A080336 A082692

Adjacent sequences: A014416 A014417 A014418 * A014420 A014421 A014422

Keyword

nonn,easy

Author

Olivier Gérard

Status

approved