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.

A072259 a(n) = ((6*n+37)*4^n - 1)/3.

Table of values

n a(n)
0 12
1 57
2 261
3 1173
4 5205
5 22869
6 99669
7 431445
8 1856853
9 7951701
10 33903957
11 144004437
12 609572181
13 2572506453
14 10826896725
15 45455070549
16 190410216789
17 796000605525
18 3321441375573
19 13835521316181
20 57541108520277
21 238960527103317
22 991026480502101

List of values

[12, 57, 261, 1173, 5205, 22869, 99669, 431445, 1856853, 7951701, 33903957, 144004437, 609572181, 2572506453, 10826896725, 45455070549, 190410216789, 796000605525, 3321441375573, 13835521316181, 57541108520277, 238960527103317, 991026480502101]