A219552 -id:A219552 - cp's OEIS frontend

A219553 Records in A219552.

6, 11, 12, 18, 56, 66, 105, 110, 130, 132, 139, 140, 185, 195, 197, 202, 261, 266, 313

Offset: 1

Carl R. White, Nov 22 2012

313 found at x = 79142421 under the iteration of A219303. No more entries up to x = 101890000. - Carl R. White, Nov 30 2012

Cf. A219303, A219552, A219962.

a(17)-a(19) from Carl R. White, Nov 30 2012

A219961 First differences of A219960.

Original entry on oeis.org

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

Carl R. White, Dec 02 2012

nonn

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.

Carl R. White, Table of n, a(n) for n = 1..10000

Cf. A219960, A219552, A219962

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 *)

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A219553 Records in A219552.

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A219961 First differences of A219960.

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