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.

A337012 a(n) = exp(-1/2) * Sum_{k>=0} (2*k + n)^n / (2^k * k!).

Table of values

n a(n)
0 1
1 2
2 11
3 92
4 1025
5 14232
6 236403
7 4568720
8 100670529
9 2490511776
10 68341981051
11 2059882505408
12 67645498798721
13 2403948686290816
14 91914992104815459
15 3762299973887526144
16 164148252324092964993
17 7604537914425558921728
18 372812121514187124192875

List of values

[1, 2, 11, 92, 1025, 14232, 236403, 4568720, 100670529, 2490511776, 68341981051, 2059882505408, 67645498798721, 2403948686290816, 91914992104815459, 3762299973887526144, 164148252324092964993, 7604537914425558921728, 372812121514187124192875]