A309063 Numbers k such that, when computing A247476(k), all previous terms have been paired.

1, 27, 33, 39, 115, 129, 141, 147, 153, 159, 165, 171, 177, 183, 189, 195, 201, 207, 213, 219, 225, 231, 237, 243, 249, 255, 261, 267, 979, 1017, 1297, 1303, 1309, 1315, 1321, 1327, 1333, 1339, 1345, 1351, 1357, 1363, 1369, 1375, 1381, 1387, 1393, 1399, 1405

Offset: 1

Author

Rémy Sigrist, Jul 10 2019

Keywords

• nonn
• base

Comments

Apparently, the first difference of this sequence is unbounded.

Examples

			See illustration of first terms in Links section.
		

Links

• Rémy Sigrist, Illustration of first terms
• Rémy Sigrist, C program for A309063

Crossrefs

Cf. A247476.

Programs

C

See Links section.