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A219961
First differences of A219960.
3
314, 11, 335, 110, 162, 25, 94, 47, 119, 21, 98, 377, 46, 97, 1, 151, 133, 97, 23, 194, 23, 53, 255, 5, 2, 24, 27, 21, 228, 238, 18, 47, 40, 64, 22, 48, 12, 56, 107, 22, 12, 86, 68, 89, 26, 200, 39, 30, 2, 95, 14, 21, 189, 21, 59, 19, 27, 63, 7, 44, 98, 40
OFFSET
1,1
COMMENTS
Conjecture: 1 appears infinitely often in this sequence (indicating an infinite number of pairs of consecutive integers in the parent sequence), despite very few appearances compared with A219552, which is derived from a very similar process.
LINKS
MATHEMATICA
f[n_] := Ceiling[Sqrt[n]]*(Ceiling[Sqrt[n]]^2 - n); t = Select[Range[10000], NestWhileList[f, #, UnsameQ, All][[-1]] > 0 &]; Differences[t] (* T. D. Noe, Dec 04 2012 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Carl R. White, Dec 02 2012
STATUS
approved