# A308317 (b-file synthesized from sequence entry) 1 1 2 2 3 4 4 3 5 16 6 8 7 256 8 5 9 9 10 32 11 65536 12 12 13 4294967296 14 512 15 64 16 6 17 18446744073709551616 18 18 19 340282366920938463463374607431768211456 20 48 21 1024 22 131072 23 115792089237316195423570985008687907853269984665640564039457584007913129639936 24 20 25 81 26 8589934592 27 25