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.

A294516 Numerators of the partial sums of the reciprocals of (k+1)*(4*k+3) = A033991(k+1), for k >= 0.

Table of values

n a(n)
0 1
1 17
2 67
3 2087
4 40577
5 315967
6 8627249
7 539432053
8 543008461
9 7096662277
10 306487877071
11 14457409539227
12 246534893826499
13 49437672710843
14 14617658229054773
15 29294219493288391
16 1966205309547985477
17 139821581165897995307
18 700098935135639210887
19 55378426713778630607653
20 4601722042202662057443599
21 12144567347216934480292961

List of values

[1, 17, 67, 2087, 40577, 315967, 8627249, 539432053, 543008461, 7096662277, 306487877071, 14457409539227, 246534893826499, 49437672710843, 14617658229054773, 29294219493288391, 1966205309547985477, 139821581165897995307, 700098935135639210887, 55378426713778630607653, 4601722042202662057443599, 12144567347216934480292961]