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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.

A251657 a(n) = (2^n + 3)^n.

Table of values

n a(n)
0 1
1 5
2 49
3 1331
4 130321
5 52521875
6 90458382169
7 662062621900811
8 20248745068443234721
9 2548385124666493326171875
10 1305282261160894865367626964649
11 2701607566979638625212777041914285051
12 22497539334127167666989016452232087989410801
13 751859086636251929847496735809485838154930419921875

List of values

[1, 5, 49, 1331, 130321, 52521875, 90458382169, 662062621900811, 20248745068443234721, 2548385124666493326171875, 1305282261160894865367626964649, 2701607566979638625212777041914285051, 22497539334127167666989016452232087989410801, 751859086636251929847496735809485838154930419921875]

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

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