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.

A228465 Recurrence a(n) = a(n-1) + 2^n*a(n-2) with a(0)=0, a(1)=1.

Table of values

n a(n)
0 0
1 1
2 1
3 9
4 25
5 313
6 1913
7 41977
8 531705
9 22023929
10 566489849
11 45671496441
12 2366013917945
13 376506912762617
14 39141278944373497
15 12376519796349807353
16 2577539376694811306745
17 1624792742123856760679161
18 677311275106408471956040441
19 852536648457739021814912002809

List of values

[0, 1, 1, 9, 25, 313, 1913, 41977, 531705, 22023929, 566489849, 45671496441, 2366013917945, 376506912762617, 39141278944373497, 12376519796349807353, 2577539376694811306745, 1624792742123856760679161, 677311275106408471956040441, 852536648457739021814912002809]