A055508 H is the first, fifth, sixteenth, ..., letter in the sequence not counting spaces and commas.

1, 5, 16, 25, 36, 38, 47, 49, 57, 59, 71, 81, 93, 103, 119, 134, 141, 149, 156, 172, 176, 184, 194, 198, 218, 234, 238, 254, 258, 281, 299, 303, 313, 321, 325, 343, 347, 363, 365, 369, 379, 385, 389, 397, 407, 411, 419, 427, 429, 433, 450, 454, 469, 471, 475

Offset

1,2

Comments

Along with the letters "T" and "I", this completes the series, i.e. no other letters in the alphabet can substain a sequence with such a definition.

Links

Table of n, a(n) for n=1..55.

Crossrefs

Cf. A005224 and A049525.

Sequence in context: A069482 A274012 A102045 * A274356 A275178 A171787

Adjacent sequences: A055505 A055506 A055507 * A055509 A055510 A055511

Keyword

easy,nonn,word

Author

Robert G. Wilson v, Jun 29 2000

Status

approved