A175503 - OEIS

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A175503

a(n) = the number of divisors of A175502(n).

6

1, 2, 2, 3, 4, 2, 6, 4, 4, 5, 2, 8, 3, 6, 6, 8, 4, 9, 2, 10, 4, 12, 2, 7, 4, 16, 2, 15, 4, 18, 2, 14, 3, 3, 12, 6, 10, 8, 8, 5, 6, 9, 8, 12, 12, 10, 3, 16, 6, 20, 2, 24, 4, 14, 6, 18, 8, 16, 12, 9, 10, 10, 16, 9, 3, 18, 12, 15, 6, 24, 8, 20, 4, 21, 2, 30, 4, 32, 2, 27

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OFFSET

1,2

COMMENTS

Each unordered pair {a(k),a(k-1)} occurs at most once in the sequence.

LINKS

Ivan Neretin, Table of n, a(n) for n = 1..1000

CROSSREFS

Sequence in context: A333937 A325785 A207632 * A333389 A352286 A352259

Adjacent sequences: A175500 A175501 A175502 * A175504 A175505 A175506

KEYWORD

nonn

AUTHOR

Leroy Quet, May 31 2010

EXTENSIONS

More terms from Ivan Neretin, Jun 05 2016

STATUS

approved