# A192626 (b-file synthesized from sequence entry) 0 1 1 4 2 12 3 36 4 100 5 264 6 676 7 1684 8 4096 9 9764 10 22888 11 52872 12 120540 13 271600 14 605556 15 1337320 16 2927720 17 6358432 18 13707916 19 29351536 20 62450468 21 132090356 22 277845120 23 581405140 24 1210688864 25 2509483020 26 5178969644 27 10644112012 28 21790816340 29 44444609044