A224550 - cp's OEIS frontend

A224550 T(n,k)=Number of (n+1)X(k+1) 0..1 matrices with each 2X2 subblock idempotent.

n	a(n)
1	8
2	16
3	16
4	28
5	32
6	28
7	48
8	52
9	52
10	48
11	80
12	86
13	78
14	86
15	80
16	132
17	137
18	125
19	125
20	137
21	132
22	216
23	218
24	193
25	196
26	193
27	218
28	216
29	352
30	345
31	302
32	294
33	294
34	302
35	345
36	352
37	572
38	547
39	472
40	448
41	428
42	448
43	472
44	547
45	572
46	928
47	869
48	743
49	682
50	635
51	635
52	682
53	743
54	869
55	928
56	1504
57	1385

[8, 16, 16, 28, 32, 28, 48, 52, 52, 48, 80, 86, 78, 86, 80, 132, 137, 125, 125, 137, 132, 216, 218, 193, 196, 193, 218, 216, 352, 345, 302, 294, 294, 302, 345, 352, 572, 547, 472, 448, 428, 448, 472, 547, 572, 928, 869, 743, 682, 635, 635, 682, 743, 869, 928, 1504, 1385]

cp's OEIS Frontend

A224550 T(n,k)=Number of (n+1)X(k+1) 0..1 matrices with each 2X2 subblock idempotent.

Table of values

List of values