# A007165 (b-file synthesized from sequence entry) 1 1 2 1 3 2 4 3 5 8 6 14 7 42 8 79 9 252 10 494 11 1636 12 3294 13 11188 14 22952 15 79386 16 165127 17 579020 18 1217270 19 4314300 20 9146746 21 32697920 22 69799476 23 251284292 24 539464358 25 1953579240 26 4214095612 27 15336931928 28 33218794236 29 121416356108