A299493 - cp's OEIS frontend

A299493 Solution b( ) of the complementary equation a(n) = b(n-1) + b(n-2) + b(n-3), where a(0) = 2, a(1) = 4, a(2) = 5; see Comments.

n	a(n)
0	1
1	3
2	6
3	7
4	8
5	9
6	11
7	12
8	13
9	14
10	15
11	17
12	18
13	19
14	20
15	22
16	23
17	25
18	26
19	27
20	29
21	30
22	31
23	33
24	34
25	35
26	37
27	38
28	40
29	41
30	43
31	44
32	45
33	47
34	48
35	49
36	51
37	52
38	53
39	55
40	56
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	79
58	80
59	81
60	83
61	84
62	85
63	87
64	88
65	89

[1, 3, 6, 7, 8, 9, 11, 12, 13, 14, 15, 17, 18, 19, 20, 22, 23, 25, 26, 27, 29, 30, 31, 33, 34, 35, 37, 38, 40, 41, 43, 44, 45, 47, 48, 49, 51, 52, 53, 55, 56, 58, 59, 60, 62, 63, 64, 66, 67, 68, 69, 71, 72, 73, 75, 76, 77, 79, 80, 81, 83, 84, 85, 87, 88, 89]

cp's OEIS Frontend

A299493 Solution b( ) of the complementary equation a(n) = b(n-1) + b(n-2) + b(n-3), where a(0) = 2, a(1) = 4, a(2) = 5; see Comments.

Table of values

List of values

n	a(n)
0	1
1	3
2	6
3	7
4	8
5	9
6	11
7	12
8	13
9	14
10	15
11	17
12	18
13	19
14	20
15	22
16	23
17	25
18	26
19	27
20	29
21	30
22	31
23	33
24	34
25	35
26	37
27	38
28	40
29	41
30	43
31	44
32	45
33	47
34	48
35	49
36	51
37	52
38	53
39	55
40	56
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	79
58	80
59	81
60	83
61	84
62	85
63	87
64	88
65	89

n	a(n)
0	1
1	3
2	6
3	7
4	8
5	9
6	11
7	12
8	13
9	14
10	15
11	17
12	18
13	19
14	20
15	22
16	23
17	25
18	26
19	27
20	29
21	30
22	31
23	33
24	34
25	35
26	37
27	38
28	40
29	41
30	43
31	44
32	45
33	47
34	48
35	49
36	51
37	52
38	53
39	55
40	56
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	79
58	80
59	81
60	83
61	84
62	85
63	87
64	88
65	89

n	a(n)
0	1
1	3
2	6
3	7
4	8
5	9
6	11
7	12
8	13
9	14
10	15
11	17
12	18
13	19
14	20
15	22
16	23
17	25
18	26
19	27
20	29
21	30
22	31
23	33
24	34
25	35
26	37
27	38
28	40
29	41
30	43
31	44
32	45
33	47
34	48
35	49
36	51
37	52
38	53
39	55
40	56
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	79
58	80
59	81
60	83
61	84
62	85
63	87
64	88
65	89