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.

A160870 Array read by antidiagonals: T(n,k) is the number of sublattices of index n in generic k-dimensional lattice (n >= 1, k >= 1).

Table of values

n a(n)
1 1
2 1
3 1
4 1
5 3
6 1
7 1
8 4
9 7
10 1
11 1
12 7
13 13
14 15
15 1
16 1
17 6
18 35
19 40
20 31
21 1
22 1
23 12
24 31
25 155
26 121
27 63
28 1
29 1
30 8
31 91
32 156
33 651
34 364
35 127
36 1
37 1
38 15
39 57
40 600
41 781
42 2667
43 1093
44 255
45 1
46 1
47 13
48 155
49 400
50 3751
51 3906
52 10795
53 3280
54 511
55 1
56 1
57 18
58 130
59 1395
60 2801
61 22932
62 19531
63 43435
64 9841
65 1023
66 1

List of values

[1, 1, 1, 1, 3, 1, 1, 4, 7, 1, 1, 7, 13, 15, 1, 1, 6, 35, 40, 31, 1, 1, 12, 31, 155, 121, 63, 1, 1, 8, 91, 156, 651, 364, 127, 1, 1, 15, 57, 600, 781, 2667, 1093, 255, 1, 1, 13, 155, 400, 3751, 3906, 10795, 3280, 511, 1, 1, 18, 130, 1395, 2801, 22932, 19531, 43435, 9841, 1023, 1]