A024927 - OEIS

A024927 as a simple table

n	a(n)
1	2
2	4
3	7
4	11
5	21
6	33
7	47
8	63
9	81
10	101
11	123
12	159
13	198
14	240
15	285
16	333
17	384
18	438
19	495
20	555
21	618
22	684
23	753
24	825
25	900
26	978
27	1059
28	1143
29	1230
30	1320
31	1444
32	1572
33	1704
34	1840
35	1980
36	2124
37	2272
38	2424
39	2580
40	2740
41	2904
42	3072
43	3244
44	3420
45	3600
46	3784
47	3972
48	4164
49	4360
50	4560
51	4764
52	4972

[2,4,7,11,21,33,47,63,81,101,123,159,198,240,285, 333,384,438,495,555,618,684,753,825,900,978,1059, 1143,1230,1320,1444,1572,1704,1840,1980,2124,2272, 2424,2580,2740,2904,3072,3244,3420,3600,3784,3972, 4164,4360,4560,4764,4972]