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A281335
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a(n) is the smallest composite number having the same base-n digits (both type and quantity) as the primes and greater-than-one exponents in its factorization.
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1
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25, 16, 25, 2312, 16, 7136, 27, 72646, 25, 4617, 169, 384, 4119, 3875, 289, 182585, 128, 556875, 451, 49, 529, 1012985, 679, 72420352, 42752, 585903, 841, 64, 961, 118375, 1285, 2944, 179503, 4624625, 1369
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OFFSET
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2,1
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LINKS
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Table of n, a(n) for n=2..36.
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EXAMPLE
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In base 2: The digits of 25 (11001) are the same type and quantity as the total of the prime 5 (101) and its exponent 2 (10) in 25's factorization; 2 zeros, 3 ones.
In base 26: The digits of 42752 (2,11,6,8) are the same type and quantity as the total of the prime 2 (2) and its exponent 8 (8) and the prime 167 (6,11) in 42752's factorization; 1 each of two, six, eight, eleven.
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CROSSREFS
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Cf. A273260, A281336.
Sequence in context: A093539 A339773 A040602 * A028937 A215537 A104790
Adjacent sequences: A281332 A281333 A281334 * A281336 A281337 A281338
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KEYWORD
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nonn,base
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AUTHOR
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Hans Havermann, Jan 20 2017
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STATUS
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approved
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