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.

A370548 a(n) is the denominator of the real part of Product_{k=1..n} (1/k + i) where i is the imaginary unit.

Table of values

n a(n)
1 1
2 2
3 3
4 12
5 12
6 72
7 252
8 2016
9 18144
10 36288
11 199584
12 2395008
13 2395008
14 33530112
15 50295168
16 804722688
17 804722688
18 14485008384
19 137607579648
20 550430318592
21 11559036690432
22 254298807189504
23 2924436282679296
24 3694024778121216
25 70186470784303104
26 140372941568606208

List of values

[1, 2, 3, 12, 12, 72, 252, 2016, 18144, 36288, 199584, 2395008, 2395008, 33530112, 50295168, 804722688, 804722688, 14485008384, 137607579648, 550430318592, 11559036690432, 254298807189504, 2924436282679296, 3694024778121216, 70186470784303104, 140372941568606208]