A065222 - cp's OEIS frontend

A065222 Fill a triangular array by rows by writing numbers 1 up to b(0), 1 up to b(1), etc., where b(n) are the hexagonal numbers. The final elements of the rows form a(n).

n	a(n)
0	1
1	2
2	5
3	3
4	8
5	14
6	6
7	14
8	23
9	5
10	16
11	28
12	41
13	10
14	25
15	41
16	58
17	10
18	29
19	49
20	70
21	1
22	24
23	48
24	73
25	99
26	6
27	34
28	63
29	93
30	124
31	3
32	36
33	70
34	105
35	141
36	178
37	26
38	65
39	105
40	146
41	188
42	231
43	44
44	89
45	135
46	182
47	230
48	3
49	53
50	104
51	156
52	209
53	263
54	318
55	49
56	106
57	164
58	223
59	283
60	344
61	28
62	91
63	155
64	220

[1, 2, 5, 3, 8, 14, 6, 14, 23, 5, 16, 28, 41, 10, 25, 41, 58, 10, 29, 49, 70, 1, 24, 48, 73, 99, 6, 34, 63, 93, 124, 3, 36, 70, 105, 141, 178, 26, 65, 105, 146, 188, 231, 44, 89, 135, 182, 230, 3, 53, 104, 156, 209, 263, 318, 49, 106, 164, 223, 283, 344, 28, 91, 155, 220]

cp's OEIS Frontend

A065222 Fill a triangular array by rows by writing numbers 1 up to b(0), 1 up to b(1), etc., where b(n) are the hexagonal numbers. The final elements of the rows form a(n).

Table of values

List of values

n	a(n)
0	1
1	2
2	5
3	3
4	8
5	14
6	6
7	14
8	23
9	5
10	16
11	28
12	41
13	10
14	25
15	41
16	58
17	10
18	29
19	49
20	70
21	1
22	24
23	48
24	73
25	99
26	6
27	34
28	63
29	93
30	124
31	3
32	36
33	70
34	105
35	141
36	178
37	26
38	65
39	105
40	146
41	188
42	231
43	44
44	89
45	135
46	182
47	230
48	3
49	53
50	104
51	156
52	209
53	263
54	318
55	49
56	106
57	164
58	223
59	283
60	344
61	28
62	91
63	155
64	220

n	a(n)
0	1
1	2
2	5
3	3
4	8
5	14
6	6
7	14
8	23
9	5
10	16
11	28
12	41
13	10
14	25
15	41
16	58
17	10
18	29
19	49
20	70
21	1
22	24
23	48
24	73
25	99
26	6
27	34
28	63
29	93
30	124
31	3
32	36
33	70
34	105
35	141
36	178
37	26
38	65
39	105
40	146
41	188
42	231
43	44
44	89
45	135
46	182
47	230
48	3
49	53
50	104
51	156
52	209
53	263
54	318
55	49
56	106
57	164
58	223
59	283
60	344
61	28
62	91
63	155
64	220

n	a(n)
0	1
1	2
2	5
3	3
4	8
5	14
6	6
7	14
8	23
9	5
10	16
11	28
12	41
13	10
14	25
15	41
16	58
17	10
18	29
19	49
20	70
21	1
22	24
23	48
24	73
25	99
26	6
27	34
28	63
29	93
30	124
31	3
32	36
33	70
34	105
35	141
36	178
37	26
38	65
39	105
40	146
41	188
42	231
43	44
44	89
45	135
46	182
47	230
48	3
49	53
50	104
51	156
52	209
53	263
54	318
55	49
56	106
57	164
58	223
59	283
60	344
61	28
62	91
63	155
64	220