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.

A254202 Number of length n 1..(6+2) arrays with no leading or trailing partial sum equal to a prime.

Table of values

n a(n)
1 4
2 11
3 47
4 195
5 898
6 4353
7 22189
8 112015
9 542397
10 2658643
11 13811570
12 74759723
13 402860778
14 2116039998
15 11034558825
16 58963729401
17 324783927568
18 1798939119729
19 9744887456018
20 51258432916302
21 268071351841619
22 1461410535224478

List of values

[4, 11, 47, 195, 898, 4353, 22189, 112015, 542397, 2658643, 13811570, 74759723, 402860778, 2116039998, 11034558825, 58963729401, 324783927568, 1798939119729, 9744887456018, 51258432916302, 268071351841619, 1461410535224478]

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

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