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.

A375804 a(n) = Lucas(n-1) * Lucas(n+1) * Fibonacci(2*n-1) * Fibonacci(2*n+1).

Table of values

n a(n)
1 12
2 40
3 1365
4 19448
5 381276
6 6615103
7 120241980
8 2147070680
9 38600066517
10 692153278024
11 12423591148332
12 222908960952575
13 4000098954110700
14 71777766990248968
15 1288007282149222101
16 23112301389881302808
17 414733773612913239420
18 7442093184423393874495
19 133542960264663589170972

List of values

[12, 40, 1365, 19448, 381276, 6615103, 120241980, 2147070680, 38600066517, 692153278024, 12423591148332, 222908960952575, 4000098954110700, 71777766990248968, 1288007282149222101, 23112301389881302808, 414733773612913239420, 7442093184423393874495, 133542960264663589170972]

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

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