References to A000449

Rencontres numbers: permutations with exactly 3 fixed points.
1, 0, 10, 40, 315, 2464, 22260, 222480, 2447445, 29369120, 381798846

1 seqfan posts

Fri Oct 29 05:35:16 CEST 2010    [seqfan] Implementing first 500 sequences in Java
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 .