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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.

A171681 a(n) = F(2n+1)^3 - F(3n)^2 - F(6n-2), where the F(i) are Fibonacci numbers.

Table of values

n a(n)
1 1
2 6
3 54
4 857
5 15058
6 269394
7 4831929
8 86699846
9 1555750918
10 27916779057
11 500946173586
12 8989114087586
13 161303106727729
14 2894466805243782
15 51939099383032278
16 932009322077220809
17 16724228697975221074

List of values

[1, 6, 54, 857, 15058, 269394, 4831929, 86699846, 1555750918, 27916779057, 500946173586, 8989114087586, 161303106727729, 2894466805243782, 51939099383032278, 932009322077220809, 16724228697975221074]

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

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