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.

A192936 Constant term of the reduction by x^2 -> x + 1 of the polynomial p(n,x) = Product_{k=1..n} (x+k).

Table of values

n a(n)
0 1
1 1
2 3
3 13
4 71
5 463
6 3497
7 29975
8 287265
9 3042545
10 35284315
11 444617525
12 6048575335
13 88347242335
14 1378930649745
15 22903345844335
16 403342641729665
17 7506843094993825
18 147226845692229875
19 3034786640911840925
20 65592491119118514375

List of values

[1, 1, 3, 13, 71, 463, 3497, 29975, 287265, 3042545, 35284315, 444617525, 6048575335, 88347242335, 1378930649745, 22903345844335, 403342641729665, 7506843094993825, 147226845692229875, 3034786640911840925, 65592491119118514375]