# A010436 (b-file synthesized from sequence entry) 1 0 2 1 3 4 4 6 5 9 6 16 7 19 8 21 9 24 10 25 11 31 12 34 13 36 14 39 15 46 16 49 17 51 18 54 19 61 20 64 21 66 22 69