A344954 Positions of words in A341258 in which the first digit = last digit.

1, 2, 3, 6, 7, 9, 11, 13, 16, 17, 19, 20, 23, 25, 27, 29, 30, 32, 34, 36, 39, 42, 43, 45, 46, 48, 50, 51, 53, 54, 57, 60, 62, 65, 67, 69, 71, 72, 74, 76, 77, 79, 80, 82, 84, 85, 87, 89, 91, 94, 96, 99, 102, 104, 107, 110, 111, 113, 114, 116, 118, 119, 121

Offset

1,2

Links

Table of n, a(n) for n=1..63.

Example

The first twenty words w(n):  0, 1, 00, 01, 10, 000, 11, 001, 010, 100, 0000, 011, 101, 0001, 110, 0010, 0100, 1000, 00000, 111; so a(4) = 6.

Mathematica

(See A341258.)

Crossrefs

Cf. A341258, A342910.

Complement of A344955.

See A341258 for a guide to related sequences.

Sequence in context: A259726 A259587 A304107 * A181732 A338901 A341333

Adjacent sequences: A344951 A344952 A344953 * A344955 A344956 A344957

Keyword

nonn,base

Author

Clark Kimberling, Jun 12 2021

Status

approved