A053726 - cp's OEIS frontend

A053726 "Flag numbers": number of dots that can be arranged in successive rows of K, K-1, K, K-1, K, ..., K-1, K (assuming there is a total of L > 1 rows of size K > 1).

n	a(n)
1	5
2	8
3	11
4	13
5	14
6	17
7	18
8	20
9	23
10	25
11	26
12	28
13	29
14	32
15	33
16	35
17	38
18	39
19	41
20	43
21	44
22	46
23	47
24	48
25	50
26	53
27	56
28	58
29	59
30	60
31	61
32	62
33	63
34	65
35	67
36	68
37	71
38	72
39	73
40	74
41	77
42	78
43	80
44	81
45	83
46	85
47	86
48	88
49	89
50	92
51	93
52	94
53	95
54	98
55	101
56	102
57	103
58	104
59	105
60	107
61	108
62	109
63	110
64	111
65	113
66	116

[5, 8, 11, 13, 14, 17, 18, 20, 23, 25, 26, 28, 29, 32, 33, 35, 38, 39, 41, 43, 44, 46, 47, 48, 50, 53, 56, 58, 59, 60, 61, 62, 63, 65, 67, 68, 71, 72, 73, 74, 77, 78, 80, 81, 83, 85, 86, 88, 89, 92, 93, 94, 95, 98, 101, 102, 103, 104, 105, 107, 108, 109, 110, 111, 113, 116]

cp's OEIS Frontend

A053726 "Flag numbers": number of dots that can be arranged in successive rows of K, K-1, K, K-1, K, ..., K-1, K (assuming there is a total of L > 1 rows of size K > 1).

Table of values

List of values

n	a(n)
1	5
2	8
3	11
4	13
5	14
6	17
7	18
8	20
9	23
10	25
11	26
12	28
13	29
14	32
15	33
16	35
17	38
18	39
19	41
20	43
21	44
22	46
23	47
24	48
25	50
26	53
27	56
28	58
29	59
30	60
31	61
32	62
33	63
34	65
35	67
36	68
37	71
38	72
39	73
40	74
41	77
42	78
43	80
44	81
45	83
46	85
47	86
48	88
49	89
50	92
51	93
52	94
53	95
54	98
55	101
56	102
57	103
58	104
59	105
60	107
61	108
62	109
63	110
64	111
65	113
66	116

n	a(n)
1	5
2	8
3	11
4	13
5	14
6	17
7	18
8	20
9	23
10	25
11	26
12	28
13	29
14	32
15	33
16	35
17	38
18	39
19	41
20	43
21	44
22	46
23	47
24	48
25	50
26	53
27	56
28	58
29	59
30	60
31	61
32	62
33	63
34	65
35	67
36	68
37	71
38	72
39	73
40	74
41	77
42	78
43	80
44	81
45	83
46	85
47	86
48	88
49	89
50	92
51	93
52	94
53	95
54	98
55	101
56	102
57	103
58	104
59	105
60	107
61	108
62	109
63	110
64	111
65	113
66	116

n	a(n)
1	5
2	8
3	11
4	13
5	14
6	17
7	18
8	20
9	23
10	25
11	26
12	28
13	29
14	32
15	33
16	35
17	38
18	39
19	41
20	43
21	44
22	46
23	47
24	48
25	50
26	53
27	56
28	58
29	59
30	60
31	61
32	62
33	63
34	65
35	67
36	68
37	71
38	72
39	73
40	74
41	77
42	78
43	80
44	81
45	83
46	85
47	86
48	88
49	89
50	92
51	93
52	94
53	95
54	98
55	101
56	102
57	103
58	104
59	105
60	107
61	108
62	109
63	110
64	111
65	113
66	116