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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: A086311 A194940 A195920 * A178592 A222238 A019611

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 May 25 10:48 EDT 2013. Contains 225647 sequences.