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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A256332 Number of D&P Family matchings on n edges.

Table of values

n a(n)
1 1
2 3
3 13
4 65
5 351
6 1994
7 11747
8 71117
9 439765
10 2765775
11 17636697
12 113766694
13 741032618
14 4867177299
15 32199559769
16 214369107989
17 1435126789097
18 9655274425496
19 65246685081291
20 442668997422749
21 3014127038713923
22 20590331364902095
23 141078438156193677
24 969270926188235574
25 6676082724399618966
26 46089922748156948822
27 318876966533117953114
28 2210580887889464667057
29 15353093117180070481879
30 106816339860746421126519

List of values

[1, 3, 13, 65, 351, 1994, 11747, 71117, 439765, 2765775, 17636697, 113766694, 741032618, 4867177299, 32199559769, 214369107989, 1435126789097, 9655274425496, 65246685081291, 442668997422749, 3014127038713923, 20590331364902095, 141078438156193677, 969270926188235574, 6676082724399618966, 46089922748156948822, 318876966533117953114, 2210580887889464667057, 15353093117180070481879, 106816339860746421126519]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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