A357254 - cp's OEIS frontend

A357254 Table read by antidiagonals: T(n,k) (n >= 3, k >= 0) is the number of edges in an n-gon when k internal n-gons are drawn between the n*k points that divide each side into k+1 equal parts.

n	a(n)
3	3
4	9
5	4
6	27
7	12
8	5
9	57
10	36
11	15
12	6
13	99
14	76
15	45
16	18
17	7
18	135
19	132
20	95
21	54
22	21
23	8
24	219
25	180
26	165
27	114
28	63
29	24
30	9
31	297
32	292
33	255
34	198
35	133
36	72
37	27
38	10
39	351
40	348
41	365
42	306
43	231
44	152
45	81
46	30
47	11
48	489
49	516
50	495
51	438
52	357
53	264
54	171
55	90
56	33
57	12
58	603
59	604
60	645
61	594
62	511
63	408
64	297
65	190
66	99
67	36
68	13

[3, 9, 4, 27, 12, 5, 57, 36, 15, 6, 99, 76, 45, 18, 7, 135, 132, 95, 54, 21, 8, 219, 180, 165, 114, 63, 24, 9, 297, 292, 255, 198, 133, 72, 27, 10, 351, 348, 365, 306, 231, 152, 81, 30, 11, 489, 516, 495, 438, 357, 264, 171, 90, 33, 12, 603, 604, 645, 594, 511, 408, 297, 190, 99, 36, 13]

cp's OEIS Frontend

A357254 Table read by antidiagonals: T(n,k) (n >= 3, k >= 0) is the number of edges in an n-gon when k internal n-gons are drawn between the n*k points that divide each side into k+1 equal parts.

Table of values

List of values

n	a(n)
3	3
4	9
5	4
6	27
7	12
8	5
9	57
10	36
11	15
12	6
13	99
14	76
15	45
16	18
17	7
18	135
19	132
20	95
21	54
22	21
23	8
24	219
25	180
26	165
27	114
28	63
29	24
30	9
31	297
32	292
33	255
34	198
35	133
36	72
37	27
38	10
39	351
40	348
41	365
42	306
43	231
44	152
45	81
46	30
47	11
48	489
49	516
50	495
51	438
52	357
53	264
54	171
55	90
56	33
57	12
58	603
59	604
60	645
61	594
62	511
63	408
64	297
65	190
66	99
67	36
68	13

n	a(n)
3	3
4	9
5	4
6	27
7	12
8	5
9	57
10	36
11	15
12	6
13	99
14	76
15	45
16	18
17	7
18	135
19	132
20	95
21	54
22	21
23	8
24	219
25	180
26	165
27	114
28	63
29	24
30	9
31	297
32	292
33	255
34	198
35	133
36	72
37	27
38	10
39	351
40	348
41	365
42	306
43	231
44	152
45	81
46	30
47	11
48	489
49	516
50	495
51	438
52	357
53	264
54	171
55	90
56	33
57	12
58	603
59	604
60	645
61	594
62	511
63	408
64	297
65	190
66	99
67	36
68	13

n	a(n)
3	3
4	9
5	4
6	27
7	12
8	5
9	57
10	36
11	15
12	6
13	99
14	76
15	45
16	18
17	7
18	135
19	132
20	95
21	54
22	21
23	8
24	219
25	180
26	165
27	114
28	63
29	24
30	9
31	297
32	292
33	255
34	198
35	133
36	72
37	27
38	10
39	351
40	348
41	365
42	306
43	231
44	152
45	81
46	30
47	11
48	489
49	516
50	495
51	438
52	357
53	264
54	171
55	90
56	33
57	12
58	603
59	604
60	645
61	594
62	511
63	408
64	297
65	190
66	99
67	36
68	13