A377136 - cp's OEIS frontend

A377136 Triangle read by rows. Each row is a permutation of a block of consecutive numbers; the blocks are disjoint and every positive number belongs to some block. The length of row n is the (n+1)-st Fibonacci number for n > 0; see Comments.

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	7
7	6
8	8
9	10
10	12
11	11
12	9
13	13
14	15
15	17
16	19
17	20
18	18
19	16
20	14
21	21
22	23
23	25
24	27
25	29
26	31
27	33
28	32
29	30
30	28
31	26
32	24
33	22
34	34
35	36
36	38
37	40
38	42
39	44
40	46
41	48
42	50
43	52
44	54
45	53
46	51
47	49
48	47
49	45
50	43
51	41
52	39
53	37
54	35
55	55
56	57
57	59
58	61
59	63
60	65
61	67
62	69
63	71
64	73
65	75
66	77
67	79
68	81
69	83
70	85
71	87
72	88
73	86
74	84
75	82
76	80
77	78
78	76
79	74
80	72
81	70
82	68
83	66
84	64
85	62
86	60
87	58
88	56
89	89

[1, 2, 3, 4, 5, 7, 6, 8, 10, 12, 11, 9, 13, 15, 17, 19, 20, 18, 16, 14, 21, 23, 25, 27, 29, 31, 33, 32, 30, 28, 26, 24, 22, 34, 36, 38, 40, 42, 44, 46, 48, 50, 52, 54, 53, 51, 49, 47, 45, 43, 41, 39, 37, 35, 55, 57, 59, 61, 63, 65, 67, 69, 71, 73, 75, 77, 79, 81, 83, 85, 87, 88, 86, 84, 82, 80, 78, 76, 74, 72, 70, 68, 66, 64, 62, 60, 58, 56, 89]

cp's OEIS Frontend

A377136 Triangle read by rows. Each row is a permutation of a block of consecutive numbers; the blocks are disjoint and every positive number belongs to some block. The length of row n is the (n+1)-st Fibonacci number for n > 0; see Comments.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	7
7	6
8	8
9	10
10	12
11	11
12	9
13	13
14	15
15	17
16	19
17	20
18	18
19	16
20	14
21	21
22	23
23	25
24	27
25	29
26	31
27	33
28	32
29	30
30	28
31	26
32	24
33	22
34	34
35	36
36	38
37	40
38	42
39	44
40	46
41	48
42	50
43	52
44	54
45	53
46	51
47	49
48	47
49	45
50	43
51	41
52	39
53	37
54	35
55	55
56	57
57	59
58	61
59	63
60	65
61	67
62	69
63	71
64	73
65	75
66	77
67	79
68	81
69	83
70	85
71	87
72	88
73	86
74	84
75	82
76	80
77	78
78	76
79	74
80	72
81	70
82	68
83	66
84	64
85	62
86	60
87	58
88	56
89	89

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	7
7	6
8	8
9	10
10	12
11	11
12	9
13	13
14	15
15	17
16	19
17	20
18	18
19	16
20	14
21	21
22	23
23	25
24	27
25	29
26	31
27	33
28	32
29	30
30	28
31	26
32	24
33	22
34	34
35	36
36	38
37	40
38	42
39	44
40	46
41	48
42	50
43	52
44	54
45	53
46	51
47	49
48	47
49	45
50	43
51	41
52	39
53	37
54	35
55	55
56	57
57	59
58	61
59	63
60	65
61	67
62	69
63	71
64	73
65	75
66	77
67	79
68	81
69	83
70	85
71	87
72	88
73	86
74	84
75	82
76	80
77	78
78	76
79	74
80	72
81	70
82	68
83	66
84	64
85	62
86	60
87	58
88	56
89	89

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	7
7	6
8	8
9	10
10	12
11	11
12	9
13	13
14	15
15	17
16	19
17	20
18	18
19	16
20	14
21	21
22	23
23	25
24	27
25	29
26	31
27	33
28	32
29	30
30	28
31	26
32	24
33	22
34	34
35	36
36	38
37	40
38	42
39	44
40	46
41	48
42	50
43	52
44	54
45	53
46	51
47	49
48	47
49	45
50	43
51	41
52	39
53	37
54	35
55	55
56	57
57	59
58	61
59	63
60	65
61	67
62	69
63	71
64	73
65	75
66	77
67	79
68	81
69	83
70	85
71	87
72	88
73	86
74	84
75	82
76	80
77	78
78	76
79	74
80	72
81	70
82	68
83	66
84	64
85	62
86	60
87	58
88	56
89	89