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.

A200545 Triangle T(n,k), read by rows, given by (1,0,2,1,3,2,4,3,5,4,6,5,7,6,8,7,9,8,...) DELTA (0,1,0,1,0,1,0,1,0,1,0,1,0,1,...) where DELTA is the operator defined in A084938.

Table of values

n a(n)
0 1
1 1
2 0
3 1
4 1
5 0
6 1
7 4
8 1
9 0
10 1
11 13
12 9
13 1
14 0
15 1
16 46
17 56
18 16
19 1
20 0
21 1
22 199
23 334
24 160
25 25
26 1
27 0
28 1
29 1072
30 2157
31 1408
32 365
33 36
34 1
35 0
36 1
37 6985
38 15701
39 12445
40 4417
41 721
42 49
43 1
44 0
45 1
46 53218
47 129214
48 116698
49 50944
50 11452
51 1288
52 64
53 1
54 0
55 1
56 462331
57 1191336
58 1183216
59 597026
60 166716
61 25956
62 2136
63 81
64 1
65 0

List of values

[1, 1, 0, 1, 1, 0, 1, 4, 1, 0, 1, 13, 9, 1, 0, 1, 46, 56, 16, 1, 0, 1, 199, 334, 160, 25, 1, 0, 1, 1072, 2157, 1408, 365, 36, 1, 0, 1, 6985, 15701, 12445, 4417, 721, 49, 1, 0, 1, 53218, 129214, 116698, 50944, 11452, 1288, 64, 1, 0, 1, 462331, 1191336, 1183216, 597026, 166716, 25956, 2136, 81, 1, 0]