A214206 - cp's OEIS frontend

A214206 a(n) = largest m such that m(m+1)/2 <= 14n.

n	a(n)
0	0
1	4
2	7
3	8
4	10
5	11
6	12
7	13
8	14
9	15
10	16
11	17
12	17
13	18
14	19
15	20
16	20
17	21
18	21
19	22
20	23
21	23
22	24
23	24
24	25
25	25
26	26
27	27
28	27
29	28
30	28
31	28
32	29
33	29
34	30
35	30
36	31
37	31
38	32
39	32
40	32
41	33
42	33
43	34
44	34
45	35
46	35
47	35
48	36
49	36
50	36
51	37
52	37
53	38
54	38
55	38
56	39
57	39
58	39
59	40
60	40
61	40
62	41
63	41
64	41
65	42
66	42
67	42
68	43
69	43
70	43
71	44
72	44
73	44
74	45
75	45
76	45
77	45
78	46
79	46
80	46
81	47
82	47
83	47
84	48
85	48
86	48
87	48
88	49
89	49
90	49
91	49
92	50

[0, 4, 7, 8, 10, 11, 12, 13, 14, 15, 16, 17, 17, 18, 19, 20, 20, 21, 21, 22, 23, 23, 24, 24, 25, 25, 26, 27, 27, 28, 28, 28, 29, 29, 30, 30, 31, 31, 32, 32, 32, 33, 33, 34, 34, 35, 35, 35, 36, 36, 36, 37, 37, 38, 38, 38, 39, 39, 39, 40, 40, 40, 41, 41, 41, 42, 42, 42, 43, 43, 43, 44, 44, 44, 45, 45, 45, 45, 46, 46, 46, 47, 47, 47, 48, 48, 48, 48, 49, 49, 49, 49, 50]

cp's OEIS Frontend

A214206 a(n) = largest m such that m(m+1)/2 <= 14n.

Table of values

List of values

n	a(n)
0	0
1	4
2	7
3	8
4	10
5	11
6	12
7	13
8	14
9	15
10	16
11	17
12	17
13	18
14	19
15	20
16	20
17	21
18	21
19	22
20	23
21	23
22	24
23	24
24	25
25	25
26	26
27	27
28	27
29	28
30	28
31	28
32	29
33	29
34	30
35	30
36	31
37	31
38	32
39	32
40	32
41	33
42	33
43	34
44	34
45	35
46	35
47	35
48	36
49	36
50	36
51	37
52	37
53	38
54	38
55	38
56	39
57	39
58	39
59	40
60	40
61	40
62	41
63	41
64	41
65	42
66	42
67	42
68	43
69	43
70	43
71	44
72	44
73	44
74	45
75	45
76	45
77	45
78	46
79	46
80	46
81	47
82	47
83	47
84	48
85	48
86	48
87	48
88	49
89	49
90	49
91	49
92	50

n	a(n)
0	0
1	4
2	7
3	8
4	10
5	11
6	12
7	13
8	14
9	15
10	16
11	17
12	17
13	18
14	19
15	20
16	20
17	21
18	21
19	22
20	23
21	23
22	24
23	24
24	25
25	25
26	26
27	27
28	27
29	28
30	28
31	28
32	29
33	29
34	30
35	30
36	31
37	31
38	32
39	32
40	32
41	33
42	33
43	34
44	34
45	35
46	35
47	35
48	36
49	36
50	36
51	37
52	37
53	38
54	38
55	38
56	39
57	39
58	39
59	40
60	40
61	40
62	41
63	41
64	41
65	42
66	42
67	42
68	43
69	43
70	43
71	44
72	44
73	44
74	45
75	45
76	45
77	45
78	46
79	46
80	46
81	47
82	47
83	47
84	48
85	48
86	48
87	48
88	49
89	49
90	49
91	49
92	50

cp's OEIS Frontend

A214206 a(n) = largest m such that m*(m+1)/2 <= 14*n.

Table of values

List of values

A214206 a(n) = largest m such that m(m+1)/2 <= 14n.

n	a(n)
0	0
1	4
2	7
3	8
4	10
5	11
6	12
7	13
8	14
9	15
10	16
11	17
12	17
13	18
14	19
15	20
16	20
17	21
18	21
19	22
20	23
21	23
22	24
23	24
24	25
25	25
26	26
27	27
28	27
29	28
30	28
31	28
32	29
33	29
34	30
35	30
36	31
37	31
38	32
39	32
40	32
41	33
42	33
43	34
44	34
45	35
46	35
47	35
48	36
49	36
50	36
51	37
52	37
53	38
54	38
55	38
56	39
57	39
58	39
59	40
60	40
61	40
62	41
63	41
64	41
65	42
66	42
67	42
68	43
69	43
70	43
71	44
72	44
73	44
74	45
75	45
76	45
77	45
78	46
79	46
80	46
81	47
82	47
83	47
84	48
85	48
86	48
87	48
88	49
89	49
90	49
91	49
92	50