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.

A156027 Greater of twin primes pairs of the form k^1 + k^2 + k^3 + k^4 - 1.

Table of values

n a(n)
1 5
2 31
3 22621
4 837931
5 3835261
6 6377551
7 16007041
8 30397351
9 147753211
10 745720141
11 987082981
12 2439903211
13 3276517921
14 4178766091
15 11468884081
16 58714318141
17 72695416561
18 418374010741
19 788251653691
20 829180295191
21 1029317536801
22 3255573820801
23 3343706188681

List of values

[5, 31, 22621, 837931, 3835261, 6377551, 16007041, 30397351, 147753211, 745720141, 987082981, 2439903211, 3276517921, 4178766091, 11468884081, 58714318141, 72695416561, 418374010741, 788251653691, 829180295191, 1029317536801, 3255573820801, 3343706188681]

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

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