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.

A372628 Number of defective (binary) heaps on n elements from the set {0,1} with exactly one defect.

Table of values

n a(n)
0 0
1 0
2 1
3 2
4 6
5 11
6 20
7 32
8 60
9 100
10 162
11 255
12 427
13 692
14 1093
15 1738
16 2800
17 4507
18 6951
19 11032
20 17224
21 27553
22 42276
23 67639
24 103989
25 165856
26 251312
27 401236
28 608112
29 968380
30 1465934
31 2354752
32 3525880
33 5585826
34 8370796
35 13394396
36 19937564
37 31632664
38 47478092

List of values

[0, 0, 1, 2, 6, 11, 20, 32, 60, 100, 162, 255, 427, 692, 1093, 1738, 2800, 4507, 6951, 11032, 17224, 27553, 42276, 67639, 103989, 165856, 251312, 401236, 608112, 968380, 1465934, 2354752, 3525880, 5585826, 8370796, 13394396, 19937564, 31632664, 47478092]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.