# A174507 (b-file synthesized from sequence entry) 0 1 1 5 2 37 3 1 4 233 5 1441 6 1 7 8885 8 54757 9 1 10 337433 11 2079361 12 1 13 12813605 14 78960997 15 1 16 486579593 17 2998438561 18 1 19 18477210965 20 113861704357 21 1 22 701647437113 23 4323746327041 24 1 25 26644125399365 26 164188498723237 27 1 28 1011775117738793