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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; 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) nonnegative powers of those substrings.

254 = 2^7 + 5^3 + 4^0 is the first element requiring a zero exponent.

LINKS

Table of n, a(n) for n=1..52.

EXAMPLE

142 = 14^1 + 2^7, 8833 = 88^2 + 33^2.

CROSSREFS

Cf. A055480.

Sequence in context: A118299 A302360 A258865 * A055480 A211568 A217080

Adjacent sequences:  A072093 A072094 A072095 * A072097 A072098 A072099

KEYWORD

nonn,base

AUTHOR

David W. Wilson, Jan 29, 2003

STATUS

approved

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Last modified October 15 11:03 EDT 2018. Contains 316224 sequences. (Running on oeis4.)