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A344954
Positions of words in A341258 in which the first digit = last digit.
2
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
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
Complement of A344955.
See A341258 for a guide to related sequences.
Sequence in context: A259726 A259587 A304107 * A181732 A338901 A341333
KEYWORD
nonn,base
AUTHOR
Clark Kimberling, Jun 12 2021
STATUS
approved