A147849 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.

A147849 as a simple table

n	a(n)
1	3
2	6
3	6
4	10
5	15
6	15
7	21
8	21
9	28
10	36
11	36
12	45
13	45
14	45
15	55
16	55
17	66
18	66
19	78
20	78
21	78
22	91
23	91
24	91
25	105
26	105
27	105
28	120
29	120
30	120
31	136
32	136
33	153
34	153
35	153
36	153
37	171
38	171
39	171
40	190
41	190
42	190
43	210
44	210
45	210
46	210
47	231
48	231
49	231
50	231
51	253
52	253
53	253
54	253
55	276
56	276
57	276
58	276

[3,6,6,10,15,15,21,21,28,36,36,45,45,45,55,55,66, 66,78,78,78,91,91,91,105,105,105,120,120,120,136, 136,153,153,153,153,171,171,171,190,190,190,210, 210,210,210,231,231,231,231,253,253,253,253,276, 276,276,276]

n	a(n)
1	3
2	6
3	6
4	10
5	15
6	15
7	21
8	21
9	28
10	36
11	36
12	45
13	45
14	45
15	55
16	55
17	66
18	66
19	78
20	78
21	78
22	91
23	91
24	91
25	105
26	105
27	105
28	120
29	120
30	120
31	136
32	136
33	153
34	153
35	153
36	153
37	171
38	171
39	171
40	190
41	190
42	190
43	210
44	210
45	210
46	210
47	231
48	231
49	231
50	231
51	253
52	253
53	253
54	253
55	276
56	276
57	276
58	276

n	a(n)
1	3
2	6
3	6
4	10
5	15
6	15
7	21
8	21
9	28
10	36
11	36
12	45
13	45
14	45
15	55
16	55
17	66
18	66
19	78
20	78
21	78
22	91
23	91
24	91
25	105
26	105
27	105
28	120
29	120
30	120
31	136
32	136
33	153
34	153
35	153
36	153
37	171
38	171
39	171
40	190
41	190
42	190
43	210
44	210
45	210
46	210
47	231
48	231
49	231
50	231
51	253
52	253
53	253
54	253
55	276
56	276
57	276
58	276

n	a(n)
1	3
2	6
3	6
4	10
5	15
6	15
7	21
8	21
9	28
10	36
11	36
12	45
13	45
14	45
15	55
16	55
17	66
18	66
19	78
20	78
21	78
22	91
23	91
24	91
25	105
26	105
27	105
28	120
29	120
30	120
31	136
32	136
33	153
34	153
35	153
36	153
37	171
38	171
39	171
40	190
41	190
42	190
43	210
44	210
45	210
46	210
47	231
48	231
49	231
50	231
51	253
52	253
53	253
54	253
55	276
56	276
57	276
58	276