A049817 - cp's OEIS frontend

A049817 a(n) = Sum_{k=1..n} T(n,k), array T as in A049816.

n	a(n)
1	0
2	0
3	1
4	1
5	4
6	2
7	7
8	7
9	8
10	8
11	17
12	9
13	20
14	18
15	17
16	19
17	30
18	24
19	37
20	25
21	30
22	34
23	51
24	31
25	44
26	48
27	49
28	45
29	68
30	42
31	71
32	59
33	64
34	72
35	67
36	57
37	88
38	82
39	85
40	71
41	106
42	72
43	113
44	89
45	88
46	106
47	131
48	91
49	116
50	112
51	119
52	113
53	152
54	114
55	129
56	111
57	136
58	144
59	173

[0, 0, 1, 1, 4, 2, 7, 7, 8, 8, 17, 9, 20, 18, 17, 19, 30, 24, 37, 25, 30, 34, 51, 31, 44, 48, 49, 45, 68, 42, 71, 59, 64, 72, 67, 57, 88, 82, 85, 71, 106, 72, 113, 89, 88, 106, 131, 91, 116, 112, 119, 113, 152, 114, 129, 111, 136, 144, 173]

cp's OEIS Frontend

A049817 a(n) = Sum_{k=1..n} T(n,k), array T as in A049816.

Table of values

List of values

n	a(n)
1	0
2	0
3	1
4	1
5	4
6	2
7	7
8	7
9	8
10	8
11	17
12	9
13	20
14	18
15	17
16	19
17	30
18	24
19	37
20	25
21	30
22	34
23	51
24	31
25	44
26	48
27	49
28	45
29	68
30	42
31	71
32	59
33	64
34	72
35	67
36	57
37	88
38	82
39	85
40	71
41	106
42	72
43	113
44	89
45	88
46	106
47	131
48	91
49	116
50	112
51	119
52	113
53	152
54	114
55	129
56	111
57	136
58	144
59	173

n	a(n)
1	0
2	0
3	1
4	1
5	4
6	2
7	7
8	7
9	8
10	8
11	17
12	9
13	20
14	18
15	17
16	19
17	30
18	24
19	37
20	25
21	30
22	34
23	51
24	31
25	44
26	48
27	49
28	45
29	68
30	42
31	71
32	59
33	64
34	72
35	67
36	57
37	88
38	82
39	85
40	71
41	106
42	72
43	113
44	89
45	88
46	106
47	131
48	91
49	116
50	112
51	119
52	113
53	152
54	114
55	129
56	111
57	136
58	144
59	173

n	a(n)
1	0
2	0
3	1
4	1
5	4
6	2
7	7
8	7
9	8
10	8
11	17
12	9
13	20
14	18
15	17
16	19
17	30
18	24
19	37
20	25
21	30
22	34
23	51
24	31
25	44
26	48
27	49
28	45
29	68
30	42
31	71
32	59
33	64
34	72
35	67
36	57
37	88
38	82
39	85
40	71
41	106
42	72
43	113
44	89
45	88
46	106
47	131
48	91
49	116
50	112
51	119
52	113
53	152
54	114
55	129
56	111
57	136
58	144
59	173