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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.

A140890 a(n) = sum of primes in {10*n-9, 10*n-7, 10*n-3, 10*n-1}.

Table of values

n a(n)
1 10
2 60
3 52
4 68
5 131
6 112
7 128
8 223
9 172
10 97
11 420
12 113
13 127
14 407
15 149
16 308
17 330
18 352
19 181
20 780
21 0
22 211
23 679
24 472
25 241
26 508
27 532
28 548
29 564
30 293
31 307
32 941
33 0
34 668
35 696
36 712
37 367
38 752
39 772
40 397
41 810
42 419
43 421
44 1303
45 892
46 457
47 1391
48 479
49 487
50 990
51 1012
52 0
53 1044
54 0

List of values

[10, 60, 52, 68, 131, 112, 128, 223, 172, 97, 420, 113, 127, 407, 149, 308, 330, 352, 181, 780, 0, 211, 679, 472, 241, 508, 532, 548, 564, 293, 307, 941, 0, 668, 696, 712, 367, 752, 772, 397, 810, 419, 421, 1303, 892, 457, 1391, 479, 487, 990, 1012, 0, 1044, 0]

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

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