A309793 - cp's OEIS frontend

A309793 Number of odd parts appearing among the second largest parts of the partitions of n into 4 parts.

n	a(n)
0	0
1	0
2	0
3	0
4	1
5	1
6	1
7	1
8	2
9	3
10	5
11	6
12	8
13	9
14	11
15	13
16	17
17	20
18	24
19	27
20	32
21	36
22	42
23	47
24	54
25	60
26	68
27	75
28	85
29	93
30	103
31	112
32	124
33	135
34	149
35	161
36	176
37	189
38	205
39	220
40	239
41	256
42	276
43	294
44	316
45	336
46	360
47	382
48	408
49	432
50	460
51	486
52	517
53	545
54	577
55	607
56	642
57	675
58	713
59	748

[0, 0, 0, 0, 1, 1, 1, 1, 2, 3, 5, 6, 8, 9, 11, 13, 17, 20, 24, 27, 32, 36, 42, 47, 54, 60, 68, 75, 85, 93, 103, 112, 124, 135, 149, 161, 176, 189, 205, 220, 239, 256, 276, 294, 316, 336, 360, 382, 408, 432, 460, 486, 517, 545, 577, 607, 642, 675, 713, 748]

cp's OEIS Frontend

A309793 Number of odd parts appearing among the second largest parts of the partitions of n into 4 parts.

Table of values

List of values

n	a(n)
0	0
1	0
2	0
3	0
4	1
5	1
6	1
7	1
8	2
9	3
10	5
11	6
12	8
13	9
14	11
15	13
16	17
17	20
18	24
19	27
20	32
21	36
22	42
23	47
24	54
25	60
26	68
27	75
28	85
29	93
30	103
31	112
32	124
33	135
34	149
35	161
36	176
37	189
38	205
39	220
40	239
41	256
42	276
43	294
44	316
45	336
46	360
47	382
48	408
49	432
50	460
51	486
52	517
53	545
54	577
55	607
56	642
57	675
58	713
59	748

n	a(n)
0	0
1	0
2	0
3	0
4	1
5	1
6	1
7	1
8	2
9	3
10	5
11	6
12	8
13	9
14	11
15	13
16	17
17	20
18	24
19	27
20	32
21	36
22	42
23	47
24	54
25	60
26	68
27	75
28	85
29	93
30	103
31	112
32	124
33	135
34	149
35	161
36	176
37	189
38	205
39	220
40	239
41	256
42	276
43	294
44	316
45	336
46	360
47	382
48	408
49	432
50	460
51	486
52	517
53	545
54	577
55	607
56	642
57	675
58	713
59	748

n	a(n)
0	0
1	0
2	0
3	0
4	1
5	1
6	1
7	1
8	2
9	3
10	5
11	6
12	8
13	9
14	11
15	13
16	17
17	20
18	24
19	27
20	32
21	36
22	42
23	47
24	54
25	60
26	68
27	75
28	85
29	93
30	103
31	112
32	124
33	135
34	149
35	161
36	176
37	189
38	205
39	220
40	239
41	256
42	276
43	294
44	316
45	336
46	360
47	382
48	408
49	432
50	460
51	486
52	517
53	545
54	577
55	607
56	642
57	675
58	713
59	748