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.

A272703 Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 513", based on the 5-celled von Neumann neighborhood.

Table of values

n a(n)
0 1
1 5
2 18
3 42
4 95
5 160
6 273
7 385
8 614
9 855
10 1176
11 1465
12 1970
13 2459
14 3060
15 3540
16 4505
17 5482
18 6603
19 7628
20 9061
21 10414
22 11943
23 13160
24 15313
25 17418
26 19731
27 21764
28 24517
29 27006
30 29735
31 31719
32 35692
33 39677
34 43934
35 47967
36 52792
37 57409
38 62330
39 66555
40 72612
41 78493

List of values

[1, 5, 18, 42, 95, 160, 273, 385, 614, 855, 1176, 1465, 1970, 2459, 3060, 3540, 4505, 5482, 6603, 7628, 9061, 10414, 11943, 13160, 15313, 17418, 19731, 21764, 24517, 27006, 29735, 31719, 35692, 39677, 43934, 47967, 52792, 57409, 62330, 66555, 72612, 78493]