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A105351 Number of divisors of 135....(2n+1), the concatenation of the first n odd numbers. 0
1, 2, 8, 4, 4, 16, 4, 32, 20, 2, 16, 12, 12, 4, 24, 2, 32, 64 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..17.

EXAMPLE

The number of divisors of 13 is 2 - which is the second term.

The number of divisors of 135 is 8 - which is the third term.

The number of divisors of 1357 is 4 - which is the fourth term.

CROSSREFS

Sequence in context: A194940 A195920 A227334 * A178592 A301389 A222238

Adjacent sequences:  A105348 A105349 A105350 * A105352 A105353 A105354

KEYWORD

base,nonn

AUTHOR

Parthasarathy Nambi, Apr 30 2005, Jul 01 2005

EXTENSIONS

Edited by N. J. A. Sloane, Aug 23 2008 at the suggestion of R. J. Mathar

STATUS

approved

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Last modified February 15 20:32 EST 2019. Contains 320138 sequences. (Running on oeis4.)