BBC Russian

A218629 as a simple table

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	0
6	1
7	4
8	27
9	59
10	132
11	158
12	371
13	443
14	619
15	871
16	1246
17	1493
18	2073
19	2485
20	3306
21	4175
22	5154
23	6177
24	7955
25	9703
26	11782
27	14312
28	17514
29	20942
30	25616
31	30583
32	36838
33	44049
34	52479
35	62509
36	74835
37	88622
38	104898
39	123964
40	146786
41	172780
42	203768
43	239236
44	280917

[0,0,0,0,0,0,1,4,27,59,132,158,371,443,619,871, 1246,1493,2073,2485,3306,4175,5154,6177,7955,9703, 11782,14312,17514,20942,25616,30583,36838,44049, 52479,62509,74835,88622,104898,123964,146786, 172780,203768,239236,280917]