A346302 Positions of words in A076478 such that first digit != last digit.

4, 5, 8, 10, 11, 13, 16, 18, 20, 22, 23, 25, 27, 29, 32, 34, 36, 38, 40, 42, 44, 46, 47, 49, 51, 53, 55, 57, 59, 61, 64, 66, 68, 70, 72, 74, 76, 78, 80, 82, 84, 86, 88, 90, 92, 94, 95, 97, 99, 101, 103, 105, 107, 109, 111, 113, 115, 117, 119, 121, 123, 125

Offset

1,1

Comments

The sequences A346301 and A346302 partition the positive integers.

See A076478 for a guide to related sequences.

Links

Table of n, a(n) for n=1..62.

Example

The first fourteen words w(n) are 0, 1, 00, 01, 10, 11, 000, 001, 010, 011, 100, 101, 110, 111, so that a(1) = 4.

Mathematica

(See A007931.)

Crossrefs

Cf. A007931, A076478, A346301.

Sequence in context: A141220 A340762 A092022 * A190200 A162902 A026491

Adjacent sequences: A346299 A346300 A346301 * A346303 A346304 A346305

Keyword

nonn,base

Author

Clark Kimberling, Jul 21 2021

Status

approved