# A246472 (b-file synthesized from sequence entry) 0 1 1 3 2 9 3 30 4 109 5 418 6 1650 7 6604 8 26589 9 107274 10 432934 11 1746484 12 7040626 13 28362324 14 114175812 15 459344920 16 1847008989 17 7423262554 18 29822432862 19 119766845860 20 480833598054 21 1929896415484 22 7744047734652 23 31067665113640 24 124613703290994 25 499744683756868