login

A128242 as a simple table

na(n)
30
40
51
61
75
816
966
10266
111235
126350
1337364
14251106
151942085
1617287710
17177086792
182084120446
1928125888087
20434318629496
217657513894860

[0,0,1,1,5,16,66,266,1235,6350,37364,251106,
 1942085,17287710,177086792,2084120446,28125888087,
 434318629496,7657513894860]