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A054496 If n = p_1^a_1 *p_2^a_2 *p_3^a_3..., p's = distinct primes, a's = positive integers, then n-th term = p_1^(a_1^2) *p_2^(a_2^2) *p_3^(a_3^2)... +0
1
1, 2, 3, 16, 5, 6, 7, 512, 81, 10, 11, 48, 13, 14, 15, 65536, 17, 162, 19, 80, 21, 22, 23, 1536, 625, 26, 19683, 112, 29, 30, 31, 33554432, 33, 34, 35, 1296, 37, 38, 39, 2560, 41, 42, 43 (list; graph; listen)
OFFSET

1,2

EXAMPLE

The 24_th term is 1536, since 24 = 2^3 *3^1 and 1536 =2^(3^2) *3^(1^2).

CROSSREFS

Sequence in context: A097655 A080749 A070973 this_sequence A088447 A103390 A128537

Adjacent sequences: A054493 A054494 A054495 this_sequence A054497 A054498 A054499

KEYWORD

nonn,mult

AUTHOR

Leroy Quet (qq-quet(AT)mindspring.com), May 14 2000

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.


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