A122797 - cp's OEIS frontend

A122797 A P_3-stuttered arithmetic progression with a(n+1) = a(n) if n is a triangular number, a(n+1) = a(n) + 1 otherwise.

n	a(n)
1	1
2	1
3	2
4	2
5	3
6	4
7	4
8	5
9	6
10	7
11	7
12	8
13	9
14	10
15	11
16	11
17	12
18	13
19	14
20	15
21	16
22	16
23	17
24	18
25	19
26	20
27	21
28	22
29	22
30	23
31	24
32	25
33	26
34	27
35	28
36	29
37	29
38	30
39	31
40	32
41	33
42	34
43	35
44	36
45	37
46	37
47	38
48	39
49	40
50	41
51	42
52	43
53	44
54	45
55	46
56	46
57	47
58	48
59	49
60	50
61	51
62	52
63	53
64	54
65	55
66	56
67	56
68	57
69	58
70	59
71	60
72	61
73	62
74	63
75	64
76	65
77	66
78	67
79	67
80	68
81	69
82	70
83	71
84	72
85	73
86	74
87	75
88	76
89	77
90	78
91	79
92	79
93	80
94	81
95	82
96	83
97	84
98	85
99	86
100	87

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

cp's OEIS Frontend

A122797 A P_3-stuttered arithmetic progression with a(n+1) = a(n) if n is a triangular number, a(n+1) = a(n) + 1 otherwise.

Table of values

List of values

n	a(n)
1	1
2	1
3	2
4	2
5	3
6	4
7	4
8	5
9	6
10	7
11	7
12	8
13	9
14	10
15	11
16	11
17	12
18	13
19	14
20	15
21	16
22	16
23	17
24	18
25	19
26	20
27	21
28	22
29	22
30	23
31	24
32	25
33	26
34	27
35	28
36	29
37	29
38	30
39	31
40	32
41	33
42	34
43	35
44	36
45	37
46	37
47	38
48	39
49	40
50	41
51	42
52	43
53	44
54	45
55	46
56	46
57	47
58	48
59	49
60	50
61	51
62	52
63	53
64	54
65	55
66	56
67	56
68	57
69	58
70	59
71	60
72	61
73	62
74	63
75	64
76	65
77	66
78	67
79	67
80	68
81	69
82	70
83	71
84	72
85	73
86	74
87	75
88	76
89	77
90	78
91	79
92	79
93	80
94	81
95	82
96	83
97	84
98	85
99	86
100	87

n	a(n)
1	1
2	1
3	2
4	2
5	3
6	4
7	4
8	5
9	6
10	7
11	7
12	8
13	9
14	10
15	11
16	11
17	12
18	13
19	14
20	15
21	16
22	16
23	17
24	18
25	19
26	20
27	21
28	22
29	22
30	23
31	24
32	25
33	26
34	27
35	28
36	29
37	29
38	30
39	31
40	32
41	33
42	34
43	35
44	36
45	37
46	37
47	38
48	39
49	40
50	41
51	42
52	43
53	44
54	45
55	46
56	46
57	47
58	48
59	49
60	50
61	51
62	52
63	53
64	54
65	55
66	56
67	56
68	57
69	58
70	59
71	60
72	61
73	62
74	63
75	64
76	65
77	66
78	67
79	67
80	68
81	69
82	70
83	71
84	72
85	73
86	74
87	75
88	76
89	77
90	78
91	79
92	79
93	80
94	81
95	82
96	83
97	84
98	85
99	86
100	87

n	a(n)
1	1
2	1
3	2
4	2
5	3
6	4
7	4
8	5
9	6
10	7
11	7
12	8
13	9
14	10
15	11
16	11
17	12
18	13
19	14
20	15
21	16
22	16
23	17
24	18
25	19
26	20
27	21
28	22
29	22
30	23
31	24
32	25
33	26
34	27
35	28
36	29
37	29
38	30
39	31
40	32
41	33
42	34
43	35
44	36
45	37
46	37
47	38
48	39
49	40
50	41
51	42
52	43
53	44
54	45
55	46
56	46
57	47
58	48
59	49
60	50
61	51
62	52
63	53
64	54
65	55
66	56
67	56
68	57
69	58
70	59
71	60
72	61
73	62
74	63
75	64
76	65
77	66
78	67
79	67
80	68
81	69
82	70
83	71
84	72
85	73
86	74
87	75
88	76
89	77
90	78
91	79
92	79
93	80
94	81
95	82
96	83
97	84
98	85
99	86
100	87