# A143131 (b-file synthesized from sequence entry) 1 1 2 5 3 19 4 63 5 157 6 321 7 575 8 939 9 1433 10 2077 11 2891 12 3895 13 5109 14 6553 15 8247 16 10211 17 12465 18 15029 19 17923 20 21167 21 24781 22 28785 23 33199 24 38043 25 43337 26 49101 27 55355 28 62119 29 69413 30 77257 31 85671 32 94675 33 104289 34 114533 35 125427 36 136991 37 149245