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.

A329497 Numerator of the rational number alpha_n involved in the calculation of the second moment of the n-th term of Ulam's "history-dependent random sequence".

Table of values

n a(n)
1 0
2 2
3 21
4 223
5 2603
6 33623
7 477977
8 2474153
9 125009419
10 2268871883
11 8825650861
12 183051309251
13 89588582779
14 8538921797353
15 51275872341193
16 59590264767344263
17 322723582109367139
18 45705953681299945463
19 79490015605061949133

List of values

[0, 2, 21, 223, 2603, 33623, 477977, 2474153, 125009419, 2268871883, 8825650861, 183051309251, 89588582779, 8538921797353, 51275872341193, 59590264767344263, 322723582109367139, 45705953681299945463, 79490015605061949133]

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

Content is available under The OEIS End-User License Agreement.