A210489 - cp's OEIS frontend

A210489 Array read by ascending antidiagonals where row n contains the second partial sums of row n of Pascal's triangle.

n	a(n)
0	1
1	1
2	2
3	1
4	3
5	3
6	1
7	4
8	5
9	4
10	1
11	5
12	8
13	7
14	5
15	1
16	6
17	12
18	12
19	9
20	6
21	1
22	7
23	17
24	20
25	16
26	11
27	7
28	1
29	8
30	23
31	32
32	28
33	20
34	13
35	8
36	1
37	9
38	30
39	49
40	48
41	36
42	24
43	15
44	9
45	1
46	10
47	38
48	72
49	80
50	64
51	44
52	28
53	17
54	10
55	1
56	11
57	47
58	102
59	129
60	112
61	80
62	52
63	32
64	19
65	11
66	1
67	12
68	57
69	140
70	201
71	192
72	144
73	96
74	60
75	36
76	21
77	12

[1, 1, 2, 1, 3, 3, 1, 4, 5, 4, 1, 5, 8, 7, 5, 1, 6, 12, 12, 9, 6, 1, 7, 17, 20, 16, 11, 7, 1, 8, 23, 32, 28, 20, 13, 8, 1, 9, 30, 49, 48, 36, 24, 15, 9, 1, 10, 38, 72, 80, 64, 44, 28, 17, 10, 1, 11, 47, 102, 129, 112, 80, 52, 32, 19, 11, 1, 12, 57, 140, 201, 192, 144, 96, 60, 36, 21, 12]

cp's OEIS Frontend

A210489 Array read by ascending antidiagonals where row n contains the second partial sums of row n of Pascal's triangle.

Table of values

List of values

n	a(n)
0	1
1	1
2	2
3	1
4	3
5	3
6	1
7	4
8	5
9	4
10	1
11	5
12	8
13	7
14	5
15	1
16	6
17	12
18	12
19	9
20	6
21	1
22	7
23	17
24	20
25	16
26	11
27	7
28	1
29	8
30	23
31	32
32	28
33	20
34	13
35	8
36	1
37	9
38	30
39	49
40	48
41	36
42	24
43	15
44	9
45	1
46	10
47	38
48	72
49	80
50	64
51	44
52	28
53	17
54	10
55	1
56	11
57	47
58	102
59	129
60	112
61	80
62	52
63	32
64	19
65	11
66	1
67	12
68	57
69	140
70	201
71	192
72	144
73	96
74	60
75	36
76	21
77	12

n	a(n)
0	1
1	1
2	2
3	1
4	3
5	3
6	1
7	4
8	5
9	4
10	1
11	5
12	8
13	7
14	5
15	1
16	6
17	12
18	12
19	9
20	6
21	1
22	7
23	17
24	20
25	16
26	11
27	7
28	1
29	8
30	23
31	32
32	28
33	20
34	13
35	8
36	1
37	9
38	30
39	49
40	48
41	36
42	24
43	15
44	9
45	1
46	10
47	38
48	72
49	80
50	64
51	44
52	28
53	17
54	10
55	1
56	11
57	47
58	102
59	129
60	112
61	80
62	52
63	32
64	19
65	11
66	1
67	12
68	57
69	140
70	201
71	192
72	144
73	96
74	60
75	36
76	21
77	12

n	a(n)
0	1
1	1
2	2
3	1
4	3
5	3
6	1
7	4
8	5
9	4
10	1
11	5
12	8
13	7
14	5
15	1
16	6
17	12
18	12
19	9
20	6
21	1
22	7
23	17
24	20
25	16
26	11
27	7
28	1
29	8
30	23
31	32
32	28
33	20
34	13
35	8
36	1
37	9
38	30
39	49
40	48
41	36
42	24
43	15
44	9
45	1
46	10
47	38
48	72
49	80
50	64
51	44
52	28
53	17
54	10
55	1
56	11
57	47
58	102
59	129
60	112
61	80
62	52
63	32
64	19
65	11
66	1
67	12
68	57
69	140
70	201
71	192
72	144
73	96
74	60
75	36
76	21
77	12