login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A180380 Number of increasing sequences of n integers x(1),...,x(n) with values in 1..3*n such that x(j) divides x(k) iff j divides k 1
3, 8, 25, 45, 136, 57, 190, 260, 233, 70, 222, 130, 366, 116, 145, 108, 354, 226, 842, 808, 763, 182, 876, 817, 790, 191, 192, 191, 1025, 817, 3784, 3703, 3533, 790, 790, 790, 3880, 817, 817, 817, 4303, 3695, 16608, 17329, 17086, 3695, 17177, 17653, 17653 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 3 of A180378
LINKS
CROSSREFS
Sequence in context: A302109 A328272 A220486 * A057420 A076049 A026970
KEYWORD
nonn
AUTHOR
R. H. Hardin Sep 01 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 | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 20 00:26 EDT 2024. Contains 371798 sequences. (Running on oeis4.)