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.

A273626 A fourth-order divisibility sequence: a(n) = (1/14)*(Pell(4*n) + Pell(2*n)).

Table of values

n a(n)
1 1
2 30
3 995
4 33660
5 1142629
6 38810970
7 1318402631
8 44786716920
9 1521429030985
10 51683794848150
11 1755727563817259
12 59643053188493940
13 2026108079758297261
14 68828031652259981010
15 2338126968060165944975
16 79427488882178225107440
17 2698196495024745460575889

List of values

[1, 30, 995, 33660, 1142629, 38810970, 1318402631, 44786716920, 1521429030985, 51683794848150, 1755727563817259, 59643053188493940, 2026108079758297261, 68828031652259981010, 2338126968060165944975, 79427488882178225107440, 2698196495024745460575889]

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

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