A077028 - cp's OEIS frontend

A077028 The rascal triangle, read by rows: T(n,k) (n >= 0, 0 <= k <= n) = k(n-k) + 1.

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	1
6	1
7	3
8	3
9	1
10	1
11	4
12	5
13	4
14	1
15	1
16	5
17	7
18	7
19	5
20	1
21	1
22	6
23	9
24	10
25	9
26	6
27	1
28	1
29	7
30	11
31	13
32	13
33	11
34	7
35	1
36	1
37	8
38	13
39	16
40	17
41	16
42	13
43	8
44	1
45	1
46	9
47	15
48	19
49	21
50	21
51	19
52	15
53	9
54	1
55	1
56	10
57	17
58	22
59	25
60	26
61	25
62	22
63	17
64	10
65	1
66	1
67	11
68	19
69	25
70	29
71	31
72	31
73	29
74	25
75	19
76	11
77	1
78	1
79	12
80	21
81	28
82	33
83	36
84	37
85	36
86	33
87	28
88	21
89	12
90	1

[1, 1, 1, 1, 2, 1, 1, 3, 3, 1, 1, 4, 5, 4, 1, 1, 5, 7, 7, 5, 1, 1, 6, 9, 10, 9, 6, 1, 1, 7, 11, 13, 13, 11, 7, 1, 1, 8, 13, 16, 17, 16, 13, 8, 1, 1, 9, 15, 19, 21, 21, 19, 15, 9, 1, 1, 10, 17, 22, 25, 26, 25, 22, 17, 10, 1, 1, 11, 19, 25, 29, 31, 31, 29, 25, 19, 11, 1, 1, 12, 21, 28, 33, 36, 37, 36, 33, 28, 21, 12, 1]

cp's OEIS Frontend

A077028 The rascal triangle, read by rows: T(n,k) (n >= 0, 0 <= k <= n) = k(n-k) + 1.

Table of values

List of values

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	1
6	1
7	3
8	3
9	1
10	1
11	4
12	5
13	4
14	1
15	1
16	5
17	7
18	7
19	5
20	1
21	1
22	6
23	9
24	10
25	9
26	6
27	1
28	1
29	7
30	11
31	13
32	13
33	11
34	7
35	1
36	1
37	8
38	13
39	16
40	17
41	16
42	13
43	8
44	1
45	1
46	9
47	15
48	19
49	21
50	21
51	19
52	15
53	9
54	1
55	1
56	10
57	17
58	22
59	25
60	26
61	25
62	22
63	17
64	10
65	1
66	1
67	11
68	19
69	25
70	29
71	31
72	31
73	29
74	25
75	19
76	11
77	1
78	1
79	12
80	21
81	28
82	33
83	36
84	37
85	36
86	33
87	28
88	21
89	12
90	1

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	1
6	1
7	3
8	3
9	1
10	1
11	4
12	5
13	4
14	1
15	1
16	5
17	7
18	7
19	5
20	1
21	1
22	6
23	9
24	10
25	9
26	6
27	1
28	1
29	7
30	11
31	13
32	13
33	11
34	7
35	1
36	1
37	8
38	13
39	16
40	17
41	16
42	13
43	8
44	1
45	1
46	9
47	15
48	19
49	21
50	21
51	19
52	15
53	9
54	1
55	1
56	10
57	17
58	22
59	25
60	26
61	25
62	22
63	17
64	10
65	1
66	1
67	11
68	19
69	25
70	29
71	31
72	31
73	29
74	25
75	19
76	11
77	1
78	1
79	12
80	21
81	28
82	33
83	36
84	37
85	36
86	33
87	28
88	21
89	12
90	1

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	1
6	1
7	3
8	3
9	1
10	1
11	4
12	5
13	4
14	1
15	1
16	5
17	7
18	7
19	5
20	1
21	1
22	6
23	9
24	10
25	9
26	6
27	1
28	1
29	7
30	11
31	13
32	13
33	11
34	7
35	1
36	1
37	8
38	13
39	16
40	17
41	16
42	13
43	8
44	1
45	1
46	9
47	15
48	19
49	21
50	21
51	19
52	15
53	9
54	1
55	1
56	10
57	17
58	22
59	25
60	26
61	25
62	22
63	17
64	10
65	1
66	1
67	11
68	19
69	25
70	29
71	31
72	31
73	29
74	25
75	19
76	11
77	1
78	1
79	12
80	21
81	28
82	33
83	36
84	37
85	36
86	33
87	28
88	21
89	12
90	1