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.

A300735 E.g.f. A(x) satisfies: [x^n] A(x)^(2*n) = (n+1) * [x^(n-1)] A(x)^(2*n) for n>=1.

Table of values

n a(n)
0 1
1 1
2 3
3 31
4 697
5 25761
6 1371691
7 97677343
8 8869533681
9 993709302337
10 134086553693011
11 21392941696576671
12 3977310371182762153
13 851537642070562468321
14 207892899850805427254907
15 57394298500033495294907551
16 17789220343418322663802383841
17 6151146653207427022767433596033
18 2359535664677835451305256629862051
19 999033160522078788619730346474821407

List of values

[1, 1, 3, 31, 697, 25761, 1371691, 97677343, 8869533681, 993709302337, 134086553693011, 21392941696576671, 3977310371182762153, 851537642070562468321, 207892899850805427254907, 57394298500033495294907551, 17789220343418322663802383841, 6151146653207427022767433596033, 2359535664677835451305256629862051, 999033160522078788619730346474821407]