A026921 - cp's OEIS frontend

A026921 Triangular array E by rows: E(n,k) = number of partitions of n into an even number of parts, the greatest being k.

n	a(n)
1	0
2	1
3	0
4	0
5	1
6	0
7	1
8	1
9	1
10	0
11	0
12	1
13	1
14	1
15	0
16	1
17	1
18	2
19	1
20	1
21	0
22	0
23	2
24	1
25	2
26	1
27	1
28	0
29	1
30	2
31	3
32	2
33	2
34	1
35	1
36	0
37	0
38	2
39	3
40	3
41	2
42	2
43	1
44	1
45	0
46	1
47	2
48	5
49	4
50	4
51	2
52	2
53	1
54	1
55	0
56	0
57	3
58	4
59	6
60	4
61	4
62	2
63	2
64	1
65	1
66	0
67	1
68	3
69	7
70	7
71	7
72	5
73	4
74	2
75	2
76	1
77	1
78	0
79	0
80	3
81	6
82	10
83	8
84	7
85	5
86	4
87	2
88	2
89	1
90	1
91	0
92	1
93	3
94	9
95	11
96	13
97	9
98	8
99	5
100	4
101	2
102	2
103	1
104	1
105	0

[0, 1, 0, 0, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, 1, 1, 2, 1, 1, 0, 0, 2, 1, 2, 1, 1, 0, 1, 2, 3, 2, 2, 1, 1, 0, 0, 2, 3, 3, 2, 2, 1, 1, 0, 1, 2, 5, 4, 4, 2, 2, 1, 1, 0, 0, 3, 4, 6, 4, 4, 2, 2, 1, 1, 0, 1, 3, 7, 7, 7, 5, 4, 2, 2, 1, 1, 0, 0, 3, 6, 10, 8, 7, 5, 4, 2, 2, 1, 1, 0, 1, 3, 9, 11, 13, 9, 8, 5, 4, 2, 2, 1, 1, 0]

cp's OEIS Frontend

A026921 Triangular array E by rows: E(n,k) = number of partitions of n into an even number of parts, the greatest being k.

Table of values

List of values

n	a(n)
1	0
2	1
3	0
4	0
5	1
6	0
7	1
8	1
9	1
10	0
11	0
12	1
13	1
14	1
15	0
16	1
17	1
18	2
19	1
20	1
21	0
22	0
23	2
24	1
25	2
26	1
27	1
28	0
29	1
30	2
31	3
32	2
33	2
34	1
35	1
36	0
37	0
38	2
39	3
40	3
41	2
42	2
43	1
44	1
45	0
46	1
47	2
48	5
49	4
50	4
51	2
52	2
53	1
54	1
55	0
56	0
57	3
58	4
59	6
60	4
61	4
62	2
63	2
64	1
65	1
66	0
67	1
68	3
69	7
70	7
71	7
72	5
73	4
74	2
75	2
76	1
77	1
78	0
79	0
80	3
81	6
82	10
83	8
84	7
85	5
86	4
87	2
88	2
89	1
90	1
91	0
92	1
93	3
94	9
95	11
96	13
97	9
98	8
99	5
100	4
101	2
102	2
103	1
104	1
105	0

n	a(n)
1	0
2	1
3	0
4	0
5	1
6	0
7	1
8	1
9	1
10	0
11	0
12	1
13	1
14	1
15	0
16	1
17	1
18	2
19	1
20	1
21	0
22	0
23	2
24	1
25	2
26	1
27	1
28	0
29	1
30	2
31	3
32	2
33	2
34	1
35	1
36	0
37	0
38	2
39	3
40	3
41	2
42	2
43	1
44	1
45	0
46	1
47	2
48	5
49	4
50	4
51	2
52	2
53	1
54	1
55	0
56	0
57	3
58	4
59	6
60	4
61	4
62	2
63	2
64	1
65	1
66	0
67	1
68	3
69	7
70	7
71	7
72	5
73	4
74	2
75	2
76	1
77	1
78	0
79	0
80	3
81	6
82	10
83	8
84	7
85	5
86	4
87	2
88	2
89	1
90	1
91	0
92	1
93	3
94	9
95	11
96	13
97	9
98	8
99	5
100	4
101	2
102	2
103	1
104	1
105	0

n	a(n)
1	0
2	1
3	0
4	0
5	1
6	0
7	1
8	1
9	1
10	0
11	0
12	1
13	1
14	1
15	0
16	1
17	1
18	2
19	1
20	1
21	0
22	0
23	2
24	1
25	2
26	1
27	1
28	0
29	1
30	2
31	3
32	2
33	2
34	1
35	1
36	0
37	0
38	2
39	3
40	3
41	2
42	2
43	1
44	1
45	0
46	1
47	2
48	5
49	4
50	4
51	2
52	2
53	1
54	1
55	0
56	0
57	3
58	4
59	6
60	4
61	4
62	2
63	2
64	1
65	1
66	0
67	1
68	3
69	7
70	7
71	7
72	5
73	4
74	2
75	2
76	1
77	1
78	0
79	0
80	3
81	6
82	10
83	8
84	7
85	5
86	4
87	2
88	2
89	1
90	1
91	0
92	1
93	3
94	9
95	11
96	13
97	9
98	8
99	5
100	4
101	2
102	2
103	1
104	1
105	0