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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.

A048811 Number of rooted trees with n nodes with every leaf at height 6.

Table of values

n a(n)
7 1
8 1
9 2
10 3
11 6
12 9
13 17
14 27
15 47
16 78
17 135
18 224
19 384
20 642
21 1088
22 1827
23 3088
24 5182
25 8736
26 14661
27 24660
28 41378
29 69500
30 116534
31 195509
32 327627
33 549104
34 919593
35 1539985
36 2577399
37 4313102
38 7214374
39 12064930
40 20169283
41 33710370
42 56324729
43 94089240

List of values

[1, 1, 2, 3, 6, 9, 17, 27, 47, 78, 135, 224, 384, 642, 1088, 1827, 3088, 5182, 8736, 14661, 24660, 41378, 69500, 116534, 195509, 327627, 549104, 919593, 1539985, 2577399, 4313102, 7214374, 12064930, 20169283, 33710370, 56324729, 94089240]

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

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