A380230 a(n) = n*A070939(n).

0, 1, 4, 6, 12, 15, 18, 21, 32, 36, 40, 44, 48, 52, 56, 60, 80, 85, 90, 95, 100, 105, 110, 115, 120, 125, 130, 135, 140, 145, 150, 155, 192, 198, 204, 210, 216, 222, 228, 234, 240, 246, 252, 258, 264, 270, 276, 282, 288, 294, 300, 306, 312, 318, 324, 330, 336, 342

Offset

0,3

Links

Paolo Xausa, Table of n, a(n) for n = 0..10000

Mathematica

Table[n*BitLength[n], {n, 0, 100}]

Crossrefs

Cf. A070939, A110803, A168160.

Sequence in context: A058219 A131863 A074870 * A251630 A256241 A364385

Adjacent sequences: A380227 A380228 A380229 * A380231 A380232 A380233

Keyword

nonn,base

Author

Paolo Xausa, Jan 17 2025

Status

approved