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A271990 g_n(9) where g is the weak Goodstein function defined in A266202. 3
9, 27, 63, 92, 127, 168, 215, 267, 325, 389, 459, 535, 617, 705, 799, 898, 1003, 1114, 1231, 1354, 1483, 1618, 1759, 1906, 2059, 2218, 2383, 2554, 2731, 2914, 3103, 3297, 3497, 3703, 3915, 4133, 4357, 4587, 4823, 5065, 5313, 5567, 5827, 6093, 6365, 6643 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

COMMENTS

For more info see A266201-A266202.

LINKS

Table of n, a(n) for n=0..45.

MATHEMATICA

g[k_, n_] := If[k == 0, n, Total@ Flatten@ MapIndexed[#1 (k + 2)^(#2 - 1) &, Reverse@ IntegerDigits[#, k + 1]] &@ g[k - 1, n] - 1]; Table[g[n, 9], {n, 0, 45}]

CROSSREFS

Cf. A271556: G_n(9).

Weak Goodstein sequences: A137411: g_n(11); A265034: g_n(266); A267647: g_n(4); A267648: g_n(5); A271987: g_n(6); A266202: g_n(n); A266203: a(n)=k such that g_k(n)=0;

Sequence in context: A158926 A112524 A254622 * A153237 A256327 A011923

Adjacent sequences:  A271987 A271988 A271989 * A271991 A271992 A271993

KEYWORD

nonn,fini

AUTHOR

Natan Arie Consigli, May 22 2016

STATUS

approved

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Last modified September 20 11:01 EDT 2020. Contains 337264 sequences. (Running on oeis4.)