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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.

A327973 Bitwise XOR of two successive generations (centrally aligned) in the trajectory of rule 30 started from a lone 1 cell: a(n) = A110240(n) XOR 2*A110240(n-1).

Table of values

n a(n)
1 5
2 23
3 93
4 335
5 1493
6 5351
7 23853
8 85951
9 382405
10 1369943
11 6103965
12 21996687
13 97906325
14 350709671
15 1562619373
16 5631262591
17 25064000389
18 89782414999
19 400033474525
20 1441615751887
21 6416397448021
22 22984338788455
23 102408232210605
24 369052763468095
25 1642598765228869
26 5883986891577303
27 26216498605021469
28 94477513773305103

List of values

[5, 23, 93, 335, 1493, 5351, 23853, 85951, 382405, 1369943, 6103965, 21996687, 97906325, 350709671, 1562619373, 5631262591, 25064000389, 89782414999, 400033474525, 1441615751887, 6416397448021, 22984338788455, 102408232210605, 369052763468095, 1642598765228869, 5883986891577303, 26216498605021469, 94477513773305103]

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

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