login

A006319 as a simple table

na(n)
01
11
24
316
468
5304
61412
76752
833028
9164512
10831620
114255728
1222004292
13114781008
14603308292
153192216000
1616989553668
1790890869312
18488500827908
192636405463248
2014281895003716
2177631035881072
22423282220216964
232314491475510816
2412688544297945348

[1,1,4,16,68,304,1412,6752,33028,164512,831620,
 4255728,22004292,114781008,603308292,3192216000,
 16989553668,90890869312,488500827908,
 2636405463248,14281895003716,77631035881072,
 423282220216964,2314491475510816,
 12688544297945348]