A370655 - cp's OEIS frontend

A370655 Triangle read by rows where row n is a block of length 4*n-1 which is a permutation of the numbers of its constituents.

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

[2, 1, 3, 4, 5, 7, 6, 8, 9, 10, 13, 14, 11, 12, 16, 15, 17, 20, 19, 18, 21, 26, 27, 24, 25, 22, 23, 29, 28, 30, 35, 32, 33, 34, 31, 36, 43, 44, 41, 42, 39, 40, 37, 38, 46, 45, 47, 54, 49, 52, 51, 50, 53, 48, 55]

cp's OEIS Frontend

A370655 Triangle read by rows where row n is a block of length 4*n-1 which is a permutation of the numbers of its constituents.

Table of values

List of values

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

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

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