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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.

A274983 a(n) = [n]phi! + [n]{1-phi}!, where [n]_q! is the q-factorial, phi = (1+sqrt(5))/2.

Table of values

n a(n)
0 2
1 2
2 3
3 14
4 130
5 2120
6 58120
7 2636360
8 196132320
9 23805331920
10 4698862837680
11 1505416321070640
12 781888977967152000
13 657866357975539785600
14 896265744457831561756800
15 1976607903479486428467148800
16 7055269158071576119808840371200

List of values

[2, 2, 3, 14, 130, 2120, 58120, 2636360, 196132320, 23805331920, 4698862837680, 1505416321070640, 781888977967152000, 657866357975539785600, 896265744457831561756800, 1976607903479486428467148800, 7055269158071576119808840371200]

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

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