A004239 a(n) = ceiling(100*log(n)).

0, 70, 110, 139, 161, 180, 195, 208, 220, 231, 240, 249, 257, 264, 271, 278, 284, 290, 295, 300, 305, 310, 314, 318, 322, 326, 330, 334, 337, 341, 344, 347, 350, 353, 356, 359, 362, 364, 367, 369, 372, 374, 377

Offset: 1

Author

N. J. A. Sloane

Keywords

• nonn

Programs

Mathematica

Ceiling[100 Log[Range[50]]] (* Harvey P. Dale, Apr 02 2025 *)