A028440 Golc sequence in base 10. Left to right concatenation of n,int(log_10(n)),int(log_10(int(log_10(n)))),... in base 10.

10, 20, 30, 40, 50, 60, 70, 80, 90, 101, 111, 121, 131, 141, 151, 161, 171, 181, 191, 201, 211, 221, 231, 241, 251, 261, 271, 281, 291, 301, 311, 321, 331, 341, 351, 361, 371, 381, 391, 401, 411, 421, 431, 441, 451, 461, 471, 481, 491, 501, 511, 521, 531

Offset

1,1

Links

Table of n, a(n) for n=1..53.

Crossrefs

Sequence in context: A343452 A043489 A352438 * A332046 A166511 A062237

Adjacent sequences: A028437 A028438 A028439 * A028441 A028442 A028443

Keyword

nonn,base,easy

Author

Olivier Gérard

Status

approved