A281902 - cp's OEIS frontend

A281902 Numbers n which have the form n = k^2 - k + (i^2-i)/2 + 2ki, k>=1, i>=0.

n	a(n)
1	0
2	2
3	5
4	6
5	9
6	11
7	12
8	14
9	17
10	19
11	20
12	24
13	27
14	29
15	30
16	32
17	35
18	36
19	39
20	41
21	42
22	44
23	46
24	50
25	51
26	53
27	54
28	55
29	56
30	57
31	62
32	65
33	66
34	69
35	71
36	72
37	74
38	75
39	77
40	80
41	82
42	84
43	87
44	89
45	90
46	95
47	96
48	100
49	101
50	104
51	107
52	109
53	110
54	111
55	116
56	117
57	119
58	120
59	122
60	126
61	127
62	128

[0, 2, 5, 6, 9, 11, 12, 14, 17, 19, 20, 24, 27, 29, 30, 32, 35, 36, 39, 41, 42, 44, 46, 50, 51, 53, 54, 55, 56, 57, 62, 65, 66, 69, 71, 72, 74, 75, 77, 80, 82, 84, 87, 89, 90, 95, 96, 100, 101, 104, 107, 109, 110, 111, 116, 117, 119, 120, 122, 126, 127, 128]

cp's OEIS Frontend

A281902 Numbers n which have the form n = k^2 - k + (i^2-i)/2 + 2ki, k>=1, i>=0.

Table of values

List of values

n	a(n)
1	0
2	2
3	5
4	6
5	9
6	11
7	12
8	14
9	17
10	19
11	20
12	24
13	27
14	29
15	30
16	32
17	35
18	36
19	39
20	41
21	42
22	44
23	46
24	50
25	51
26	53
27	54
28	55
29	56
30	57
31	62
32	65
33	66
34	69
35	71
36	72
37	74
38	75
39	77
40	80
41	82
42	84
43	87
44	89
45	90
46	95
47	96
48	100
49	101
50	104
51	107
52	109
53	110
54	111
55	116
56	117
57	119
58	120
59	122
60	126
61	127
62	128

n	a(n)
1	0
2	2
3	5
4	6
5	9
6	11
7	12
8	14
9	17
10	19
11	20
12	24
13	27
14	29
15	30
16	32
17	35
18	36
19	39
20	41
21	42
22	44
23	46
24	50
25	51
26	53
27	54
28	55
29	56
30	57
31	62
32	65
33	66
34	69
35	71
36	72
37	74
38	75
39	77
40	80
41	82
42	84
43	87
44	89
45	90
46	95
47	96
48	100
49	101
50	104
51	107
52	109
53	110
54	111
55	116
56	117
57	119
58	120
59	122
60	126
61	127
62	128

cp's OEIS Frontend

A281902 Numbers n which have the form n = k^2 - k + (i^2-i)/2 + 2*k*i, k>=1, i>=0.

Table of values

List of values

A281902 Numbers n which have the form n = k^2 - k + (i^2-i)/2 + 2ki, k>=1, i>=0.

n	a(n)
1	0
2	2
3	5
4	6
5	9
6	11
7	12
8	14
9	17
10	19
11	20
12	24
13	27
14	29
15	30
16	32
17	35
18	36
19	39
20	41
21	42
22	44
23	46
24	50
25	51
26	53
27	54
28	55
29	56
30	57
31	62
32	65
33	66
34	69
35	71
36	72
37	74
38	75
39	77
40	80
41	82
42	84
43	87
44	89
45	90
46	95
47	96
48	100
49	101
50	104
51	107
52	109
53	110
54	111
55	116
56	117
57	119
58	120
59	122
60	126
61	127
62	128