A309795 - cp's OEIS frontend

A309795 Number of even 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	0
5	0
6	1
7	2
8	3
9	3
10	4
11	5
12	7
13	9
14	12
15	14
16	17
17	19
18	23
19	27
20	32
21	36
22	42
23	47
24	54
25	60
26	68
27	75
28	84
29	92
30	103
31	113
32	125
33	135
34	148
35	160
36	175
37	189
38	206
39	221
40	239
41	255
42	275
43	294
44	316
45	336
46	360
47	382
48	408
49	432
50	460
51	486
52	516
53	544
54	577
55	608
56	643
57	675
58	712
59	747

[0, 0, 0, 0, 0, 0, 1, 2, 3, 3, 4, 5, 7, 9, 12, 14, 17, 19, 23, 27, 32, 36, 42, 47, 54, 60, 68, 75, 84, 92, 103, 113, 125, 135, 148, 160, 175, 189, 206, 221, 239, 255, 275, 294, 316, 336, 360, 382, 408, 432, 460, 486, 516, 544, 577, 608, 643, 675, 712, 747]

cp's OEIS Frontend

A309795 Number of even 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	0
5	0
6	1
7	2
8	3
9	3
10	4
11	5
12	7
13	9
14	12
15	14
16	17
17	19
18	23
19	27
20	32
21	36
22	42
23	47
24	54
25	60
26	68
27	75
28	84
29	92
30	103
31	113
32	125
33	135
34	148
35	160
36	175
37	189
38	206
39	221
40	239
41	255
42	275
43	294
44	316
45	336
46	360
47	382
48	408
49	432
50	460
51	486
52	516
53	544
54	577
55	608
56	643
57	675
58	712
59	747

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	0
6	1
7	2
8	3
9	3
10	4
11	5
12	7
13	9
14	12
15	14
16	17
17	19
18	23
19	27
20	32
21	36
22	42
23	47
24	54
25	60
26	68
27	75
28	84
29	92
30	103
31	113
32	125
33	135
34	148
35	160
36	175
37	189
38	206
39	221
40	239
41	255
42	275
43	294
44	316
45	336
46	360
47	382
48	408
49	432
50	460
51	486
52	516
53	544
54	577
55	608
56	643
57	675
58	712
59	747

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	0
6	1
7	2
8	3
9	3
10	4
11	5
12	7
13	9
14	12
15	14
16	17
17	19
18	23
19	27
20	32
21	36
22	42
23	47
24	54
25	60
26	68
27	75
28	84
29	92
30	103
31	113
32	125
33	135
34	148
35	160
36	175
37	189
38	206
39	221
40	239
41	255
42	275
43	294
44	316
45	336
46	360
47	382
48	408
49	432
50	460
51	486
52	516
53	544
54	577
55	608
56	643
57	675
58	712
59	747