# A059610 (b-file synthesized from sequence entry) 1 4 2 5 3 9 4 11 5 17 6 21 7 33 8 125 9 141 10 243 11 251 12 285 13 321 14 537 15 563 16 699 17 729 18 2841 19 3365 20 8451 21 8577 22 9699 23 9725 24 21011 25 22689 26 33921 27 51761 28 655845 29 676761 30 3480081