login

A150043 as a simple table

na(n)
01
12
26
318
460
5204
6716
72560
89296
934128
10126560
11472864
121778016
136722880
1425536768
1597384128
16372691968
171430618112
185506231808
1921244025088
2082137286400
21318177976064
221234689470976
234798686523904
2418676787597824
2572786442978304
26283997288733696
271109305183011840
284337384738945024

[1,2,6,18,60,204,716,2560,9296,34128,126560,
 472864,1778016,6722880,25536768,97384128,
 372691968,1430618112,5506231808,21244025088,
 82137286400,318177976064,1234689470976,
 4798686523904,18676787597824,72786442978304,
 283997288733696,1109305183011840,4337384738945024]