The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A055480 Energetic numbers. 2
 24, 43, 63, 89, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 132, 135, 142, 153, 175, 209, 224, 226, 262, 264, 267, 283, 284, 332, 333, 334, 357, 370, 371, 372, 373, 374, 375, 376, 377, 378, 379, 407, 445, 463, 518, 568, 598, 629, 739, 794, 809, 849, 935, 994, 1000 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Numbers that can be broken into two or more substrings and expressed as a sum of (possibly different) positive powers of those substrings. REFERENCES Frank Rubin, Journal of Recreational Mathematics, Volume 12, Number 2, Page 139. LINKS Jonathan Frech, Table of n, a(n) for n = 1..10000 EXAMPLE 142 = 14^1 + 2^7, 8833 = 88^2 + 33^2. CROSSREFS This is a less stringent condition than that of a "powerful" number - compare A007532. Cf. A007532, A072096. Sequence in context: A302360 A258865 A072096 * A322843 A211568 A324459 Adjacent sequences:  A055477 A055478 A055479 * A055481 A055482 A055483 KEYWORD nonn,base AUTHOR Robert G. Wilson v, Jul 05 2000 EXTENSIONS More terms from Robert G. Wilson v, Mar 07 2002 Edited by David W. Wilson, Jan 29 2003 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified April 13 10:24 EDT 2021. Contains 342935 sequences. (Running on oeis4.)