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A217337 Numbers n that are the signed sum of powers of 2 whose exponents concatenated form n itself. 0
14, 492, 1052, 1056, 2116, 16314, 261818, 262184, 1047920, 1048207 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
EXAMPLE
14 = -2^1 + 2^4, 492 = -2^4 + 2^9 - 2^2, 1052 = 2^10 + 2^5 - 2^2, 1056 = 2^10 - 2^5 + 2^6, 2116 = 2^2 + 2^11 + 2^6, etc.
1048207 is in the sequence since 1048207 = -2^1 + 2^0 + 2^4 - 2^8 + 2^20 - 2^7 and the exponents are 1, 0, 4, 8, 20, 7.
CROSSREFS
Sequence in context: A275348 A317635 A128051 * A251867 A240411 A024299
KEYWORD
nonn,base
AUTHOR
Giovanni Resta, Oct 01 2012
STATUS
approved

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Last modified April 23 13:41 EDT 2024. Contains 371914 sequences. (Running on oeis4.)