cp's OEIS Frontend

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.

A218778 A014486-codes for the Beanstalk-tree growing one natural number at time, starting from the tree of one internal node (1), with the "lesser numbers to the right side" construction.

Table of values

n a(n)
1 2
2 10
3 50
4 210
5 914
6 3666
7 14738
8 59026
9 236690
10 946834
11 3787922
12 15151762
13 60607634
14 242437266
15 969821330
16 3879357586
17 15518026898
18 62072179858
19 248289315986
20 993157336210
21 3972629941394
22 15890526653586
23 63562180611218
24 254248729332882
25 1016994991328402

List of values

[2, 10, 50, 210, 914, 3666, 14738, 59026, 236690, 946834, 3787922, 15151762, 60607634, 242437266, 969821330, 3879357586, 15518026898, 62072179858, 248289315986, 993157336210, 3972629941394, 15890526653586, 63562180611218, 254248729332882, 1016994991328402]

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

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