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.

A249630 Sums of the composite numbers placed between two consecutive prime numbers (A054265), sorted in increasing order.

Table of values

n a(n)
1 0
2 4
3 6
4 12
5 18
6 27
7 30
8 42
9 45
10 60
11 63
12 72
13 102
14 108
15 117
16 130
17 135
18 138
19 150
20 170
21 180
22 192
23 198
24 207
25 228
26 240
27 243
28 250
29 270
30 280
31 282
32 297
33 312
34 315
35 320
36 333
37 348
38 380
39 387
40 420
41 430
42 432
43 462
44 495
45 522
46 570
47 585
48 600
49 618
50 642
51 651
52 660
53 670
54 675
55 693

List of values

[0, 4, 6, 12, 18, 27, 30, 42, 45, 60, 63, 72, 102, 108, 117, 130, 135, 138, 150, 170, 180, 192, 198, 207, 228, 240, 243, 250, 270, 280, 282, 297, 312, 315, 320, 333, 348, 380, 387, 420, 430, 432, 462, 495, 522, 570, 585, 600, 618, 642, 651, 660, 670, 675, 693]

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

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