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A281905 as a simple table

n	a(n)
1	0
2	0
3	3
4	3
5	11
6	17
7	35
8	49
9	84
10	124
11	199
12	280
13	426
14	594
15	858
16	1172
17	1654
18	2224
19	3061
20	4066
21	5472
22	7196
23	9543
24	12391
25	16196
26	20857
27	26921
28	34351
29	43924
30	55574
31	70419
32	88455
33	111142
34	138697
35	173025
36	214527
37	265895
38	327831
39	403825
40	495234
41	606755
42	740371
43	902507
44	1096215
45	1329912
46	1608445
47	1942926
48	2340203

[0,0,3,3,11,17,35,49,84,124,199,280,426,594,858, 1172,1654,2224,3061,4066,5472,7196,9543,12391, 16196,20857,26921,34351,43924,55574,70419,88455, 111142,138697,173025,214527,265895,327831,403825, 495234,606755,740371,902507,1096215,1329912, 1608445,1942926,2340203]