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.

A212472 Number of 0..3 arrays of length 2*n with sum no more than 3*n in any length 2n subsequence (=50% duty cycle).

Table of values

n a(n)
1 10
2 150
3 2338
4 36814
5 582440
6 9240426
7 146861788
8 2337014158
9 37222215640
10 593246686360
11 9460081927746
12 150915638082466
13 2408347433725048
14 38443582673708348
15 613802451466325528
16 9802073528030277518

List of values

[10, 150, 2338, 36814, 582440, 9240426, 146861788, 2337014158, 37222215640, 593246686360, 9460081927746, 150915638082466, 2408347433725048, 38443582673708348, 613802451466325528, 9802073528030277518]