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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.

A049677 a(n) = (F(8*n+6) + F(8*n+1))/3, where F = A000045 (the Fibonacci sequence).

Table of values

n a(n)
0 3
1 137
2 6436
3 302355
4 14204249
5 667297348
6 31348771107
7 1472724944681
8 69186723628900
9 3250303285613619
10 152695067700211193
11 7173417878624312452
12 336997945227642474051
13 15831730007820571967945
14 743754312422339240019364
15 34940620953842123708942163
16 1641465430518157475080262297

List of values

[3, 137, 6436, 302355, 14204249, 667297348, 31348771107, 1472724944681, 69186723628900, 3250303285613619, 152695067700211193, 7173417878624312452, 336997945227642474051, 15831730007820571967945, 743754312422339240019364, 34940620953842123708942163, 1641465430518157475080262297]

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

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