# A024402 (b-file synthesized from sequence entry) 1 3 2 20 3 63 4 150 5 304 6 552 7 926 8 1460 9 2197 10 3180 11 4460 12 6090 13 8128 14 10639 15 13689 16 17350 17 21699 18 26817 19 32790 20 39706 21 47662 22 56755 23 67090 24 78774 25 91919 26 106644 27 123069 28 141320 29 161528 30 183828 31 208360 32 235266 33 264697 34 296804 35 331746 36 369683 37 410784