A235451 - cp's OEIS frontend

A235451 Number of length n words on alphabet {0,1,2} of the form 0^(i)1^(j)2^(k) such that i=j or j=k.

n	a(n)
0	1
1	2
2	4
3	3
4	6
5	6
6	7
7	8
8	10
9	9
10	12
11	12
12	13
13	14
14	16
15	15
16	18
17	18
18	19
19	20
20	22
21	21
22	24
23	24
24	25
25	26
26	28
27	27
28	30
29	30
30	31
31	32
32	34
33	33
34	36
35	36
36	37
37	38
38	40
39	39
40	42
41	42
42	43
43	44
44	46
45	45
46	48
47	48
48	49
49	50
50	52
51	51
52	54
53	54
54	55
55	56
56	58
57	57
58	60
59	60
60	61

[1, 2, 4, 3, 6, 6, 7, 8, 10, 9, 12, 12, 13, 14, 16, 15, 18, 18, 19, 20, 22, 21, 24, 24, 25, 26, 28, 27, 30, 30, 31, 32, 34, 33, 36, 36, 37, 38, 40, 39, 42, 42, 43, 44, 46, 45, 48, 48, 49, 50, 52, 51, 54, 54, 55, 56, 58, 57, 60, 60, 61]

cp's OEIS Frontend

A235451 Number of length n words on alphabet {0,1,2} of the form 0^(i)1^(j)2^(k) such that i=j or j=k.

Table of values

List of values

n	a(n)
0	1
1	2
2	4
3	3
4	6
5	6
6	7
7	8
8	10
9	9
10	12
11	12
12	13
13	14
14	16
15	15
16	18
17	18
18	19
19	20
20	22
21	21
22	24
23	24
24	25
25	26
26	28
27	27
28	30
29	30
30	31
31	32
32	34
33	33
34	36
35	36
36	37
37	38
38	40
39	39
40	42
41	42
42	43
43	44
44	46
45	45
46	48
47	48
48	49
49	50
50	52
51	51
52	54
53	54
54	55
55	56
56	58
57	57
58	60
59	60
60	61

n	a(n)
0	1
1	2
2	4
3	3
4	6
5	6
6	7
7	8
8	10
9	9
10	12
11	12
12	13
13	14
14	16
15	15
16	18
17	18
18	19
19	20
20	22
21	21
22	24
23	24
24	25
25	26
26	28
27	27
28	30
29	30
30	31
31	32
32	34
33	33
34	36
35	36
36	37
37	38
38	40
39	39
40	42
41	42
42	43
43	44
44	46
45	45
46	48
47	48
48	49
49	50
50	52
51	51
52	54
53	54
54	55
55	56
56	58
57	57
58	60
59	60
60	61

n	a(n)
0	1
1	2
2	4
3	3
4	6
5	6
6	7
7	8
8	10
9	9
10	12
11	12
12	13
13	14
14	16
15	15
16	18
17	18
18	19
19	20
20	22
21	21
22	24
23	24
24	25
25	26
26	28
27	27
28	30
29	30
30	31
31	32
32	34
33	33
34	36
35	36
36	37
37	38
38	40
39	39
40	42
41	42
42	43
43	44
44	46
45	45
46	48
47	48
48	49
49	50
50	52
51	51
52	54
53	54
54	55
55	56
56	58
57	57
58	60
59	60
60	61