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.

A296225 Solution of the complementary equation a(n) = a(0)*b(n-1) + a(1)*b(n-2) + ... + a(n-1)*b(0) + n, where a(0) = 1, a(1) = 3, b(0) = 2, and (a(n)) and (b(n)) are increasing complementary sequences.

Table of values

n a(n)
0 1
1 3
2 12
3 44
4 161
5 588
6 2147
7 7839
8 28621
9 104498
10 381533
11 1393015
12 5086038
13 18569636
14 67799608
15 247543185
16 903805055
17 3299883119
18 12048205018
19 43989207775
20 160609019998
21 586399678681
22 2141004179974
23 7817021504815
24 28540731390577
25 104205079621096

List of values

[1, 3, 12, 44, 161, 588, 2147, 7839, 28621, 104498, 381533, 1393015, 5086038, 18569636, 67799608, 247543185, 903805055, 3299883119, 12048205018, 43989207775, 160609019998, 586399678681, 2141004179974, 7817021504815, 28540731390577, 104205079621096]