# A075059 (b-file synthesized from sequence entry) 0 2 1 2 2 3 3 7 4 13 5 61 6 61 7 421 8 841 9 2521 10 2521 11 27721 12 27721 13 360361 14 360361 15 360361 16 720721 17 12252241 18 12252241 19 232792561 20 232792561 21 232792561 22 232792561 23 5354228881 24 5354228881 25 26771144401 26 26771144401 27 80313433201 28 80313433201