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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.

A055328 Number of rooted identity trees with n nodes and 3 leaves.

Table of values

n a(n)
6 1
7 5
8 13
9 28
10 53
11 91
12 146
13 223
14 326
15 461
16 634
17 851
18 1119
19 1446
20 1839
21 2307
22 2859
23 3504
24 4252
25 5114
26 6100
27 7222
28 8492
29 9922
30 11525
31 13315
32 15305
33 17510
34 19945
35 22625
36 25566
37 28785
38 32298
39 36123
40 40278
41 44781
42 49651
43 54908
44 60571
45 66661

List of values

[1, 5, 13, 28, 53, 91, 146, 223, 326, 461, 634, 851, 1119, 1446, 1839, 2307, 2859, 3504, 4252, 5114, 6100, 7222, 8492, 9922, 11525, 13315, 15305, 17510, 19945, 22625, 25566, 28785, 32298, 36123, 40278, 44781, 49651, 54908, 60571, 66661]

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

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