# A348431 (b-file synthesized from sequence entry) 0 1 1 1 2 1 3 1 4 256 5 1 6 3125 7 1 8 8916100448256 9 46656 10 823543 11 1 12 18446744073709551616 13 1 14 387420489 15 16777216 16 1461501637330902918203684832716283019655932542976 17 1 18 5842587018385982521381124421 19 1 20 1333735776850284124449081472843776 21 10000000000 22 302875106592253