cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A235176 Numbers k such that the sum of the first k refactorable numbers (A033950) is also a refactorable number.

Original entry on oeis.org

1, 47, 125, 131, 185, 187, 189, 191, 198, 201, 204, 206, 256, 257, 262, 264, 268, 276, 283, 285, 294, 800, 809, 812, 818, 822, 824, 827, 829, 840, 844, 848, 1076, 1080, 1118, 1119, 1133, 1135, 1151, 1153, 1164, 1171, 1175, 1183, 1186, 1189, 1195, 1208, 1210
Offset: 1

Views

Author

Ivan N. Ianakiev, Jan 04 2014

Keywords

Examples

			The sum of the first 47 terms of A033950 equals 9120, which is A033950(616).
		

Crossrefs

Extensions

a(8)-a(49) from Giovanni Resta, Jan 04 2014