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.

A298946 a(n) = binomial(2*c-1, c-1) (mod c^4), where c is the n-th composite number.

Table of values

n a(n)
1 35
2 462
3 2339
4 4627
5 2378
6 4238
7 5148
8 1260
9 57635
10 85026
11 64410
12 100509
13 163716
14 171918
15 93876
16 309780
17 148969
18 444220
19 370712
20 532771
21 652200
22 938386
23 816466
24 907874
25 569300
26 1107298
27 2470810
28 2953692
29 887812
30 1341810
31 2956584
32 1941390
33 589961
34 6248628

List of values

[35, 462, 2339, 4627, 2378, 4238, 5148, 1260, 57635, 85026, 64410, 100509, 163716, 171918, 93876, 309780, 148969, 444220, 370712, 532771, 652200, 938386, 816466, 907874, 569300, 1107298, 2470810, 2953692, 887812, 1341810, 2956584, 1941390, 589961, 6248628]