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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.

A210970 Total area of the shadows of the three views of a three-dimensional version of the shell model of partitions with n shells.

Table of values

n a(n)
0 0
1 3
2 9
3 18
4 34
5 55
6 91
7 136
8 208
9 301
10 439
11 616
12 876
13 1203
14 1665
15 2256
16 3062
17 4083
18 5459
19 7186
20 9470
21 12335
22 16051
23 20688
24 26648
25 34027
26 43395
27 54966
28 69496
29 87341
30 109591
31 136766
32 170382
33 211293
34 261519
35 322382
36 396694
37 486327
38 595143
39 725954
40 883912

List of values

[0, 3, 9, 18, 34, 55, 91, 136, 208, 301, 439, 616, 876, 1203, 1665, 2256, 3062, 4083, 5459, 7186, 9470, 12335, 16051, 20688, 26648, 34027, 43395, 54966, 69496, 87341, 109591, 136766, 170382, 211293, 261519, 322382, 396694, 486327, 595143, 725954, 883912]

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

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