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.

A294828 Numerators of the partial sums of the reciprocals of the numbers (k + 1)*(5*k + 3) = A147874(k+2), for k >= 0.

Table of values

n a(n)
0 1
1 19
2 263
3 815
4 95597
5 678149
6 7531399
7 18016577
8 259695727
9 4173941423
10 222039686299
11 2153029760377
12 19428099753313
13 331021112488901
14 24211723390477517
15 12126560607807901
16 1008024074147249303
17 168229609596886043
18 1740462375346732831
19 1219642439745618215

List of values

[1, 19, 263, 815, 95597, 678149, 7531399, 18016577, 259695727, 4173941423, 222039686299, 2153029760377, 19428099753313, 331021112488901, 24211723390477517, 12126560607807901, 1008024074147249303, 168229609596886043, 1740462375346732831, 1219642439745618215]