login

A218742 as a simple table

na(n)
00
11
240
31561
460880
52374321
692598520
73611342281
8140842348960
95492851609441
10214221212768200
118354627297959801
12325830464620432240
1312707388120196857361
14495588136687677437080
1519327937330819420046121
16753789555901957381798720
1729397792680176337890150081

[0,1,40,1561,60880,2374321,92598520,3611342281,
 140842348960,5492851609441,214221212768200,
 8354627297959801,325830464620432240,
 12707388120196857361,495588136687677437080,
 19327937330819420046121,753789555901957381798720,
 29397792680176337890150081]