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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.

A239544 (Round(c^prime(n)) - 1)/prime(n), where c is the tetranacci constant (A086088).

Table of values

n a(n)
4 14
5 124
6 390
7 4118
8 13690
9 156122
10 6351030
11 22074820
12 948652694
13 11818395344
14 41868809842
15 528803858638
16 24052859078262
17 1108257471317098
18 3982717894786008
19 185987895674303758
20 2422894681885464596
21 8755616404517667662
22 414985190213435939298

List of values

[14, 124, 390, 4118, 13690, 156122, 6351030, 22074820, 948652694, 11818395344, 41868809842, 528803858638, 24052859078262, 1108257471317098, 3982717894786008, 185987895674303758, 2422894681885464596, 8755616404517667662, 414985190213435939298]

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

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