|
| |
|
|
A072096
|
|
Energetic numbers, allowing zero as an exponent.
|
|
1
| |
|
|
24, 43, 63, 89, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 132, 135, 142, 153, 175, 209, 224, 226, 254, 257, 258, 262, 263, 264, 267, 283, 284, 308, 332, 333, 334, 347, 357, 370, 371, 372, 373, 374, 375, 376, 377, 378, 379, 407, 445, 463, 472, 518
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 1,1
|
|
|
COMMENTS
| Numbers that can be broken into two or more substrings and expressed as a sum of (possibly different) nonnegative powers of those substrings.
254 = 2^7 + 5^3 + 4^0 is the first element requiring a zero exponent.
|
|
|
EXAMPLE
| 142 = 14^1 + 2^7, 8833 = 88^2 + 33^2.
|
|
|
CROSSREFS
| Cf. A055480.
Sequence in context: A087093 A092399 A118299 * A055480 A000496 A063323
Adjacent sequences: A072093 A072094 A072095 * A072097 A072098 A072099
|
|
|
KEYWORD
| nonn,base
|
|
|
AUTHOR
| David W. Wilson (davidwwilson(AT)comcast.net), Jan 29, 2003
|
| |
|
|
