A189327 - cp's OEIS frontend

A189327 Number of nondecreasing arrangements of 4 numbers in 0..n with the last equal to n and each after the second equal to the sum of one or two of the preceding four.

n	a(n)
1	2
2	6
3	7
4	12
5	12
6	18
7	17
8	24
9	22
10	30
11	27
12	36
13	32
14	42
15	37
16	48
17	42
18	54
19	47
20	60
21	52
22	66
23	57
24	72
25	62
26	78
27	67
28	84
29	72
30	90
31	77
32	96
33	82
34	102
35	87
36	108
37	92
38	114
39	97
40	120
41	102
42	126
43	107
44	132
45	112
46	138
47	117
48	144
49	122
50	150
51	127
52	156
53	132
54	162
55	137
56	168
57	142
58	174
59	147
60	180
61	152
62	186
63	157

[2, 6, 7, 12, 12, 18, 17, 24, 22, 30, 27, 36, 32, 42, 37, 48, 42, 54, 47, 60, 52, 66, 57, 72, 62, 78, 67, 84, 72, 90, 77, 96, 82, 102, 87, 108, 92, 114, 97, 120, 102, 126, 107, 132, 112, 138, 117, 144, 122, 150, 127, 156, 132, 162, 137, 168, 142, 174, 147, 180, 152, 186, 157]

cp's OEIS Frontend

A189327 Number of nondecreasing arrangements of 4 numbers in 0..n with the last equal to n and each after the second equal to the sum of one or two of the preceding four.

Table of values

List of values

n	a(n)
1	2
2	6
3	7
4	12
5	12
6	18
7	17
8	24
9	22
10	30
11	27
12	36
13	32
14	42
15	37
16	48
17	42
18	54
19	47
20	60
21	52
22	66
23	57
24	72
25	62
26	78
27	67
28	84
29	72
30	90
31	77
32	96
33	82
34	102
35	87
36	108
37	92
38	114
39	97
40	120
41	102
42	126
43	107
44	132
45	112
46	138
47	117
48	144
49	122
50	150
51	127
52	156
53	132
54	162
55	137
56	168
57	142
58	174
59	147
60	180
61	152
62	186
63	157

n	a(n)
1	2
2	6
3	7
4	12
5	12
6	18
7	17
8	24
9	22
10	30
11	27
12	36
13	32
14	42
15	37
16	48
17	42
18	54
19	47
20	60
21	52
22	66
23	57
24	72
25	62
26	78
27	67
28	84
29	72
30	90
31	77
32	96
33	82
34	102
35	87
36	108
37	92
38	114
39	97
40	120
41	102
42	126
43	107
44	132
45	112
46	138
47	117
48	144
49	122
50	150
51	127
52	156
53	132
54	162
55	137
56	168
57	142
58	174
59	147
60	180
61	152
62	186
63	157

n	a(n)
1	2
2	6
3	7
4	12
5	12
6	18
7	17
8	24
9	22
10	30
11	27
12	36
13	32
14	42
15	37
16	48
17	42
18	54
19	47
20	60
21	52
22	66
23	57
24	72
25	62
26	78
27	67
28	84
29	72
30	90
31	77
32	96
33	82
34	102
35	87
36	108
37	92
38	114
39	97
40	120
41	102
42	126
43	107
44	132
45	112
46	138
47	117
48	144
49	122
50	150
51	127
52	156
53	132
54	162
55	137
56	168
57	142
58	174
59	147
60	180
61	152
62	186
63	157