A048314 Numbers whose base-3 expansions, read from left to right, have run lengths that strictly decrease.

0, 1, 2, 4, 8, 12, 13, 14, 24, 25, 26, 39, 40, 41, 78, 79, 80, 117, 120, 121, 122, 125, 234, 238, 240, 241, 242, 352, 353, 360, 363, 364, 365, 368, 375, 376, 703, 704, 714, 716, 720, 724, 726, 727, 728, 1080, 1081, 1082, 1089, 1092, 1093, 1094, 1097, 1104, 1105

Offset

1,3

Links

Table of n, a(n) for n=1..55.

Example

714 = 222110_3, which contains runs of three 2's, two 1's, and one 0. - Jon E. Schoenfield, Oct 12 2019

Crossrefs

Cf. A037013, A043692, A043706, A044814, A044952.

Sequence in context: A182837 A256940 A361833 * A349079 A356053 A118286

Adjacent sequences: A048311 A048312 A048313 * A048315 A048316 A048317

Keyword

nonn,base

Author

Patrick De Geest, Feb 15 1999

Status

approved