# A374880 (b-file synthesized from sequence entry) 0 0 1 1 2 18 3 256 4 5400 5 117649 6 3359232 7 100000000 8 3643149312 9 137858491849 10 6126151500000 11 281474976710656 12 14777503265582208 13 799006685782884121 14 48413259982080000000 15 3011361496339065143296 16 206882551397716479442944 17 14551915228366851806640625