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.

A273627 A divisibility sequence: (1/8)*(Pell(4*n) - 2*Pell(2*n)).

Table of values

n a(n)
1 1
2 48
3 1715
4 58752
5 1998709
6 67914000
7 2307174311
8 78376578048
9 2662499775145
10 90446634986352
11 3072523201721819
12 104375342876112000
13 3545689138389464221
14 120449055384533383248
15 4091722194064948458575
16 138998105543576763850752
17 4721843866291934117429329

List of values

[1, 48, 1715, 58752, 1998709, 67914000, 2307174311, 78376578048, 2662499775145, 90446634986352, 3072523201721819, 104375342876112000, 3545689138389464221, 120449055384533383248, 4091722194064948458575, 138998105543576763850752, 4721843866291934117429329]

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

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