# A016043 (b-file synthesized from sequence entry) 1 1 2 3 3 5 4 15 5 17 6 255 7 257 8 65535 9 65537 10 4294967295 11 4294967297 12 18446744073709551615 13 18446744073709551617 14 340282366920938463463374607431768211455 15 340282366920938463463374607431768211457