A299489 - cp's OEIS frontend

A299489 Solution b( ) of the complementary equation a(n) = b(n-1) + b(n-2) + b(n-3), where a(0) = 1, a(1) = 2, a(2) = 4; see Comments.

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

[3, 5, 6, 7, 8, 9, 10, 11, 12, 13, 15, 16, 17, 19, 20, 22, 23, 25, 26, 28, 29, 31, 32, 34, 35, 37, 38, 39, 41, 42, 43, 45, 46, 47, 49, 50, 51, 53, 54, 55, 57, 58, 59, 60, 62, 63, 64, 66, 67, 68, 69, 71, 72, 73, 75, 76, 77, 78, 80, 81, 82, 84, 85, 86, 87, 89]

cp's OEIS Frontend

A299489 Solution b( ) of the complementary equation a(n) = b(n-1) + b(n-2) + b(n-3), where a(0) = 1, a(1) = 2, a(2) = 4; see Comments.

Table of values

List of values

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

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

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