2 seqfan posts
Wed Jul 25 16:48:09 CEST 2012 [seqfan] Re: collapsing permutations to mere Set Partitions(longish)
Wed Jul 25 14:37:17 CEST 2012 [seqfan] Re: collapsing permutations to mere Set Partitions (longish)
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
Links to OEIS content are included according to
The OEIS End-User License Agreement
.