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 A103954 a(n) is the least k such that k and k+n are adjacent powerful numbers. 4
 8, 25, 1, 4, 27, 214369, 9, 64, 16, 2187, 3125, 500, 36, 30459361, 49, 128, 512, 225, 81, 21296, 1331, 100467, 625, 1000, 144, 11881, 169, 972, 36963, 6859, 361, 256, 12967168, 899236854927, 289, 864, 117612, 3087, 10609, 2704, 800, 518436000625 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Sister sequence of a(n)+n is given by A103955. a(105) > 10^22. - Donovan Johnson, Nov 19 2011 LINKS Donovan Johnson, Table of n, a(n) for n = 1..104 Robert G. Wilson v, Table of n, a(n) for n = 1..10000, set to 0 where term is unknown. CROSSREFS Cf. A103953, A103955, A023056. Sequence in context: A103953 A076444 A023056 * A217012 A200838 A302160 Adjacent sequences:  A103951 A103952 A103953 * A103955 A103956 A103957 KEYWORD nonn AUTHOR Max Alekseyev, Feb 22 2005 EXTENSIONS Offset corrected by Donovan Johnson, Nov 19 2011 STATUS approved

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Last modified April 16 04:49 EDT 2021. Contains 343030 sequences. (Running on oeis4.)