A001767 - OEIS

A001767 as a simple table

n	a(n)
2	0
3	0
4	0
5	0
6	1
7	3
8	5
9	10
10	13
11	26
12	25
13	50
14	49
15	73
16	81
17	133
18	109
19	196
20	169
21	241
22	241
23	375
24	289
25	476
26	421
27	568
28	529
29	806
30	577
31	1001
32	833
33	1081
34	1009
35	1393
36	1081
37	1768
38	1441
39	1849
40	1633
41	2451
42	1729
43	2850
44	2281
45	2809
46	2641
47	3773
48	2689
49	4215
50	3301
51	4321
52	3865
53	5500

[0,0,0,0,1,3,5,10,13,26,25,50,49,73,81,133,109, 196,169,241,241,375,289,476,421,568,529,806,577, 1001,833,1081,1009,1393,1081,1768,1441,1849,1633, 2451,1729,2850,2281,2809,2641,3773,2689,4215,3301, 4321,3865,5500]