login

A209256 as a simple table

na(n)
00
10
21
31
44
518
693
7579
84165
934031
10311528
113158978
1235154907
13426029455
145585287179
1578767551059
161189090451364
1719133023344034
18326894939779865
195910529926220115
20112753567098061553
212263304875358959543
2247687055915645538384
231052290471481700378570

[0,0,1,1,4,18,93,579,4165,34031,311528,3158978,
 35154907,426029455,5585287179,78767551059,
 1189090451364,19133023344034,326894939779865,
 5910529926220115,112753567098061553,
 2263304875358959543,47687055915645538384,
 1052290471481700378570]