login
This site is supported by donations to The OEIS Foundation.

 

Logo

Annual Appeal: Please make a donation (tax deductible in USA) to keep the OEIS running. Over 5000 articles have referenced us, often saying "we discovered this result with the help of the OEIS".

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A175146 a(n) = d(A175145(n)-1)+d(A175145(n)+1), where d(m) is the number of divisors of m. 1
3, 5, 7, 8, 10, 11, 12, 14, 16, 20, 22, 26, 28, 32, 34, 36, 38, 44, 46, 48, 56, 60, 68, 72, 76, 80, 84, 92, 96, 100, 106, 108, 128, 136, 148, 156, 160, 168, 174, 176, 196, 200, 208, 236, 244, 248, 260, 304, 328, 344, 392, 416, 436, 456, 484, 520, 528, 536, 592, 608 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

This sequence is strictly monotonically increasing.

LINKS

Table of n, a(n) for n=1..60.

CROSSREFS

Cf. A000005, A090481, A175144.

Sequence in context: A186689 A186350 A189829 * A171508 A049068 A185602

Adjacent sequences:  A175143 A175144 A175145 * A175147 A175148 A175149

KEYWORD

nonn

AUTHOR

Leroy Quet, Feb 24 2010

EXTENSIONS

Extended by Ray Chandler, Mar 04 2010

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy .

Last modified December 3 10:38 EST 2016. Contains 278699 sequences.