A257601 - OEIS

A257601 as a simple table

n	a(n)
0	2
1	35
2	100
3	210
4	380
5	627
6	970
7	1430
8	2030
9	2795
10	3752
11	4930
12	6360
13	8075
14	10110
15	12502
16	15290
17	18515
18	22220
19	26450
20	31252
21	36675
22	42770
23	49590
24	57190
25	65627
26	74960
27	85250
28	96560
29	108955
30	122502
31	137270
32	153330
33	170755
34	189620
35	210002
36	231980
37	255635
38	281050
39	308310
40	337502

[2,35,100,210,380,627,970,1430,2030,2795,3752, 4930,6360,8075,10110,12502,15290,18515,22220, 26450,31252,36675,42770,49590,57190,65627,74960, 85250,96560,108955,122502,137270,153330,170755, 189620,210002,231980,255635,281050,308310,337502]