# A059961 (b-file synthesized from sequence entry) 1 4 2 6 3 12 4 18 5 72 6 108 7 192 8 432 9 1152 10 2592 11 139968 12 472392 13 786432 14 995328 15 57395628 16 63700992 17 169869312 18 4076863488 19 10871635968 20 2348273369088 21 56358560858112 22 79164837199872 23 84537841287168 24 150289495621632