A171354 - OEIS

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A171354 as a simple table

n	a(n)
1	0
2	4
3	19
4	53
5	110
6	198
7	319
8	485
9	698
10	966
11	1293
12	1687
13	2148
14	2692
15	3319
16	4035
17	4848
18	5764
19	6785
20	7923
21	9178
22	10562
23	12077
24	13731
25	15524
26	17472
27	19575
28	21841
29	24272
30	26880
31	29661
32	32635

[0,4,19,53,110,198,319,485,698,966,1293,1687,2148, 2692,3319,4035,4848,5764,6785,7923,9178,10562, 12077,13731,15524,17472,19575,21841,24272,26880, 29661,32635]