login

A028515 as a simple table

na(n)
01
11488
2947304
3335950912
472474624276
59790124955552
6833107628914688
745630592148400000
81754954450906393538
951062104386000089648
101186840963302480101376
1122924552119951492244800
12378933532779364657975000

[1,1488,947304,335950912,72474624276,
 9790124955552,833107628914688,45630592148400000,
 1754954450906393538,51062104386000089648,
 1186840963302480101376,22924552119951492244800,
 378933532779364657975000]