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A175501 a(n) = the number of divisors of A175500(n). 2
1, 2, 2, 3, 2, 4, 2, 6, 4, 3, 4, 4, 5, 2, 8, 2, 9, 4, 6, 2, 10, 2, 12, 6, 3, 6, 8, 4, 8, 6, 6, 7, 4, 12, 2, 5, 4, 10, 4, 9, 2, 16, 2, 15, 4, 16, 4, 18, 4, 14, 2, 20, 4, 15, 2, 18, 8, 3, 8, 8, 12, 4, 20, 2, 14, 6, 12, 8, 10, 6, 10, 8, 9, 6, 16, 6, 9, 8, 16, 8 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

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

LINKS

Paul Tek, Table of n, a(n) for n = 1..2473

CROSSREFS

Cf. A175500.

Sequence in context: A305800 A293442 A318470 * A144370 A239514 A304464

Adjacent sequences:  A175498 A175499 A175500 * A175502 A175503 A175504

KEYWORD

nonn

AUTHOR

Leroy Quet, May 31 2010

EXTENSIONS

Terms a(26) and beyond from b-file by Andrew Howroyd, Feb 05 2018

STATUS

approved

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Last modified January 29 01:46 EST 2020. Contains 331328 sequences. (Running on oeis4.)