A306775 - OEIS

A306775 as a simple table

n	a(n)
1	1
2	5
3	10
4	20
5	27
6	47
7	56
8	78
9	95
10	123
11	136
12	186
13	201
14	237
15	272
16	318
17	337
18	405
19	426
20	496
21	541
22	593
23	618
24	728
25	765
26	825
27	878
28	968
29	999
30	1139
31	1172
32	1266
33	1331
34	1407
35	1470
36	1640
37	1679
38	1763
39	1838
40	1992
41	2035
42	2215
43	2260
44	2390
45	2509
46	2609
47	2658
48	2888
49	2953
50	3101

[1,5,10,20,27,47,56,78,95,123,136,186,201,237,272, 318,337,405,426,496,541,593,618,728,765,825,878, 968,999,1139,1172,1266,1331,1407,1470,1640,1679, 1763,1838,1992,2035,2215,2260,2390,2509,2609,2658, 2888,2953,3101]