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.

A363984 a(n) = Sum_{k = 0..n} (-1)^(n+k)*binomial(n,k)*binomial(n+k,k)*A363983(k).

Table of values

n a(n)
0 1
1 3
2 73
3 2163
4 75001
5 2835003
6 113329945
7 4711519347
8 201638246905
9 8824346685003
10 393088036809073
11 17764622316152715
12 812477640612743977
13 37535247213943518315
14 1749047441756088054073
15 82108960863923963522163
16 3879675478363506548275705

List of values

[1, 3, 73, 2163, 75001, 2835003, 113329945, 4711519347, 201638246905, 8824346685003, 393088036809073, 17764622316152715, 812477640612743977, 37535247213943518315, 1749047441756088054073, 82108960863923963522163, 3879675478363506548275705]