A022425 - cp's OEIS frontend

A022425 Solution a( ) of the complementary equation a(n) = b(n-1) + b(n-2), where a(0) = 1, a(1) = 4; see Comments.

n	a(n)
0	1
1	4
2	5
3	9
4	13
5	15
6	18
7	21
8	23
9	26
10	30
11	33
12	36
13	39
14	42
15	46
16	49
17	52
18	55
19	57
20	60
21	63
22	66
23	69
24	72
25	75
26	78
27	81
28	84
29	87
30	89
31	92
32	95
33	98
34	101
35	104
36	107
37	110
38	114
39	117
40	120
41	123
42	126
43	129
44	132
45	135

[1, 4, 5, 9, 13, 15, 18, 21, 23, 26, 30, 33, 36, 39, 42, 46, 49, 52, 55, 57, 60, 63, 66, 69, 72, 75, 78, 81, 84, 87, 89, 92, 95, 98, 101, 104, 107, 110, 114, 117, 120, 123, 126, 129, 132, 135]

cp's OEIS Frontend

A022425 Solution a( ) of the complementary equation a(n) = b(n-1) + b(n-2), where a(0) = 1, a(1) = 4; see Comments.

Table of values

List of values

n	a(n)
0	1
1	4
2	5
3	9
4	13
5	15
6	18
7	21
8	23
9	26
10	30
11	33
12	36
13	39
14	42
15	46
16	49
17	52
18	55
19	57
20	60
21	63
22	66
23	69
24	72
25	75
26	78
27	81
28	84
29	87
30	89
31	92
32	95
33	98
34	101
35	104
36	107
37	110
38	114
39	117
40	120
41	123
42	126
43	129
44	132
45	135

n	a(n)
0	1
1	4
2	5
3	9
4	13
5	15
6	18
7	21
8	23
9	26
10	30
11	33
12	36
13	39
14	42
15	46
16	49
17	52
18	55
19	57
20	60
21	63
22	66
23	69
24	72
25	75
26	78
27	81
28	84
29	87
30	89
31	92
32	95
33	98
34	101
35	104
36	107
37	110
38	114
39	117
40	120
41	123
42	126
43	129
44	132
45	135

n	a(n)
0	1
1	4
2	5
3	9
4	13
5	15
6	18
7	21
8	23
9	26
10	30
11	33
12	36
13	39
14	42
15	46
16	49
17	52
18	55
19	57
20	60
21	63
22	66
23	69
24	72
25	75
26	78
27	81
28	84
29	87
30	89
31	92
32	95
33	98
34	101
35	104
36	107
37	110
38	114
39	117
40	120
41	123
42	126
43	129
44	132
45	135