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.

A350519 a(n) = A(n,n) where A(1,n) = A(n,1) = prime(n+1) and A(m,n) = A(m-1,n) + A(m,n-1) + A(m-1,n-1) for m > 1 and n > 1.

Table of values

n a(n)
1 3
2 13
3 63
4 325
5 1719
6 9237
7 50199
8 275149
9 1518263
10 8422961
11 46935819
12 262512929
13 1472854451
14 8285893713
15 46723439019
16 264009961733
17 1494486641911
18 8473508472009
19 48112827862527
20 273541139290857
21 1557023508876891
22 8872219429659729
23 50605041681538595
24 288897992799897481

List of values

[3, 13, 63, 325, 1719, 9237, 50199, 275149, 1518263, 8422961, 46935819, 262512929, 1472854451, 8285893713, 46723439019, 264009961733, 1494486641911, 8473508472009, 48112827862527, 273541139290857, 1557023508876891, 8872219429659729, 50605041681538595, 288897992799897481]