A331457 - cp's OEIS frontend

A331457 Triangle read by rows: T(n,k) = number of regions in a "frame" of size n X k (see Comments for definition).

n	a(n)
1	4
2	16
3	56
4	46
5	142
6	208
7	104
8	296
9	348
10	496
11	214
12	544
13	592
14	752
15	1016
16	380
17	892
18	948
19	1120
20	1396
21	1784
22	648
23	1436
24	1508
25	1692
26	1980
27	2380
28	2984
29	1028
30	2136
31	2292
32	2488
33	2788
34	3200
35	3816
36	4656
37	1562
38	3066
39	3384
40	3592
41	3904
42	4328
43	4956
44	5808
45	6968
46	2256
47	4272
48	4796
49	5016
50	5340
51	5776
52	6416
53	7280
54	8452
55	9944

[4, 16, 56, 46, 142, 208, 104, 296, 348, 496, 214, 544, 592, 752, 1016, 380, 892, 948, 1120, 1396, 1784, 648, 1436, 1508, 1692, 1980, 2380, 2984, 1028, 2136, 2292, 2488, 2788, 3200, 3816, 4656, 1562, 3066, 3384, 3592, 3904, 4328, 4956, 5808, 6968, 2256, 4272, 4796, 5016, 5340, 5776, 6416, 7280, 8452, 9944]

cp's OEIS Frontend

A331457 Triangle read by rows: T(n,k) = number of regions in a "frame" of size n X k (see Comments for definition).

Table of values

List of values