A064397 - OEIS

A064397 as a simple table

n	a(n)
1	7
2	15
3	20
4	61
5	152
6	190
7	293
8	377
9	492
10	558
11	789
12	919
13	942
14	1768
15	2343
16	2429
17	2693
18	2952
19	3136
20	3720
21	4837
22	5421
23	5722
24	6870
25	7347
26	8126
27	8193
28	9465
29	9857
30	9927
31	10410
32	10483
33	10653
34	12685
35	13763
36	13955
37	16033
38	16342
39	17859
40	18367
41	18474

[7,15,20,61,152,190,293,377,492,558,789,919,942, 1768,2343,2429,2693,2952,3136,3720,4837,5421,5722, 6870,7347,8126,8193,9465,9857,9927,10410,10483, 10653,12685,13763,13955,16033,16342,17859,18367, 18474]