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.

A112115 G.f. A(x) satisfies A(A(A(..(A(x))..))) = B(x) (7th self-COMPOSE of A) such that the coefficients of B(x) consist only of numbers {1,2,3,..,7}, with B(0) = 0.

Table of values

n a(n)
1 1
2 1
3 -5
4 43
5 -443
6 4957
7 -57281
8 661375
9 -7430526
10 79197417
11 -778914398
12 6845802239
13 -52074744048
14 345158019601
15 -2374391391323
16 20218882229451
17 -34682204747638
18 -6385759551091470
19 180067413599721613
20 -2110513020510554883

List of values

[1, 1, -5, 43, -443, 4957, -57281, 661375, -7430526, 79197417, -778914398, 6845802239, -52074744048, 345158019601, -2374391391323, 20218882229451, -34682204747638, -6385759551091470, 180067413599721613, -2110513020510554883]