# A075975 (b-file synthesized from sequence entry) 0 262143 1 133956095 2 2021408271 3 6872157809 4 11453421238 5 20188081042 6 31219700917 7 37548876508 8 74341529658 9 145177797287 10 249195030418 11 326072676800 12 638246908359 13 992606833010 14 1443854701806