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A342785
Positions of words in A342753 having 1st digit 1 and last digit 1.
5
3, 12, 18, 27, 39, 42, 57, 60, 63, 84, 87, 90, 96, 120, 126, 129, 132, 135, 144, 174, 180, 183, 189, 192, 195, 198, 204, 216, 255, 261, 264, 270, 273, 276, 285, 288, 291, 294, 297, 306, 324, 363, 381, 384, 390, 393, 396, 399, 405, 408, 411, 414, 429, 432
OFFSET
1,1
COMMENTS
Every positive integer is in exactly one of the sequences A342782, A342783, A342784, and A342785.
EXAMPLE
Positions of the first 2 words in which 1st digit = 1 and last digit = 1 can be read from a list of the first 16 words in A342753: 0, 00, 1, 000, 01, 10, 0000, 001, 100, 010, 00000, 11, 0001, 0100, 1000, 0010.
MATHEMATICA
(See A342753.)
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Clark Kimberling, May 07 2021
STATUS
approved