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.

A370484 Number T(n,k) of defective (binary) heaps on n elements from the set {0,1} with k defects; triangle T(n,k), n>=0, read by rows.

Table of values

n a(n)
0 1
1 2
2 3
3 1
4 5
5 2
6 1
7 7
8 6
9 3
10 11
11 11
12 9
13 1
14 16
15 20
16 24
17 4
18 26
19 32
20 52
21 16
22 2
23 36
24 60
25 100
26 52
27 8
28 56
29 100
30 192
31 120
32 40
33 4
34 81
35 162
36 351
37 300
38 111
39 18
40 1
41 131
42 255
43 631
44 627
45 313
46 77
47 13
48 1
49 183
50 427
51 1067
52 1311
53 821
54 241
55 41
56 5
57 287
58 692
59 1856
60 2484
61 1894
62 764
63 184
64 28
65 3

List of values

[1, 2, 3, 1, 5, 2, 1, 7, 6, 3, 11, 11, 9, 1, 16, 20, 24, 4, 26, 32, 52, 16, 2, 36, 60, 100, 52, 8, 56, 100, 192, 120, 40, 4, 81, 162, 351, 300, 111, 18, 1, 131, 255, 631, 627, 313, 77, 13, 1, 183, 427, 1067, 1311, 821, 241, 41, 5, 287, 692, 1856, 2484, 1894, 764, 184, 28, 3]