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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.

A349159 Numbers whose sum of prime indices is twice their alternating sum.

Table of values

n a(n)
1 1
2 12
3 63
4 66
5 112
6 190
7 255
8 325
9 408
10 434
11 468
12 609
13 805
14 832
15 931
16 946
17 1160
18 1242
19 1353
20 1380
21 1534
22 1539
23 1900
24 2035
25 2067
26 2208
27 2296
28 2387
29 2414
30 2736
31 3055
32 3108
33 3154
34 3330
35 3417
36 3509
37 3913
38 4185
39 4340
40 4503
41 4646
42 4650
43 4664
44 4864
45 5185
46 5684
47 5863

List of values

[1, 12, 63, 66, 112, 190, 255, 325, 408, 434, 468, 609, 805, 832, 931, 946, 1160, 1242, 1353, 1380, 1534, 1539, 1900, 2035, 2067, 2208, 2296, 2387, 2414, 2736, 3055, 3108, 3154, 3330, 3417, 3509, 3913, 4185, 4340, 4503, 4646, 4650, 4664, 4864, 5185, 5684, 5863]

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

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