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.

A035000 Nontrivial trinomial coefficients.

Table of values

n a(n)
0 1
1 3
2 6
3 7
4 10
5 15
6 16
7 19
8 21
9 28
10 30
11 36
12 45
13 50
14 51
15 55
16 66
17 77
18 78
19 90
20 91
21 105
22 112
23 120
24 126
25 136
26 141
27 153
28 156
29 161
30 171
31 190
32 210
33 231
34 253
35 266
36 275
37 276
38 300
39 325
40 351
41 352
42 357
43 378
44 393
45 406
46 414
47 435
48 442
49 465
50 496
51 504
52 528
53 546
54 561
55 595
56 615

List of values

[1, 3, 6, 7, 10, 15, 16, 19, 21, 28, 30, 36, 45, 50, 51, 55, 66, 77, 78, 90, 91, 105, 112, 120, 126, 136, 141, 153, 156, 161, 171, 190, 210, 231, 253, 266, 275, 276, 300, 325, 351, 352, 357, 378, 393, 406, 414, 435, 442, 465, 496, 504, 528, 546, 561, 595, 615]