|
Search: id:A055480
|
|
| |
|
| 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; listen)
|
|
|
OFFSET
|
1,1
|
|
|
COMMENT
|
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.
|
|
EXAMPLE
|
142 = 14^1 + 2^7, 8833 = 88^2 + 33^2.
|
|
CROSSREFS
|
This is a less stringent condition that that of a "powerful" number - compare A007532.
Cf. A007532, A072096.
Adjacent sequences: A055477 A055478 A055479 this_sequence A055481 A055482 A055483
Sequence in context: A092399 A118299 A072096 this_sequence A000496 A063323 A028992
|
|
KEYWORD
|
nonn,base
|
|
AUTHOR
|
Robert G. Wilson v (rgwv(AT)rgwv.com), Jul 05 2000
|
|
EXTENSIONS
|
More terms from Robert G. Wilson v (rgwv(AT)rgwv.com), Mar 07 2002
Edited by David W. Wilson, Jan 29, 2003.
|
|
|
Search completed in 0.002 seconds
|
