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A159063 a(1)=0, a(n+1) is the smallest nonprime >= n^smallest digit of a(n). 0
0, 1, 4, 81, 4, 625, 36, 343, 512, 9, 1000000000, 1, 12, 14, 14, 15, 16, 18, 18, 20, 1, 21, 22, 529, 576, 9765625, 676, 387420489, 1, 30, 1, 32, 1024, 1, 34, 42875, 1296, 38, 54872, 1521, 40, 1, 42, 1849, 44, 4100625, 1, 48, 5308416, 1, 50, 1, 52, 2809, 1, 55 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..56.

EXAMPLE

0, 1(=1^0), 4(>2^1), 81(=3^4), 4(=4^1), 625(=5^4), 36(=6^2), 343(=7^3), 512(=8^3), 9(=9^1), 1000000000(=10^9), 1(=11^0), 12(=12^1), 14(>13=13^1), 14(=14^1), 15(=15^1)

CROSSREFS

Cf. A000027, A141468, A156615.

Sequence in context: A204294 A203480 A116189 * A258981 A072363 A272884

Adjacent sequences:  A159060 A159061 A159062 * A159064 A159065 A159066

KEYWORD

nonn,base

AUTHOR

Juri-Stepan Gerasimov, Mar 12 2009

EXTENSIONS

a(21) inserted and terms from a(28) on corrected by R. J. Mathar, Mar 17 2009

STATUS

approved

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Last modified July 5 08:01 EDT 2020. Contains 335464 sequences. (Running on oeis4.)