# A090579 (b-file synthesized from sequence entry) 1 1 2 4 3 10 4 20 5 35 6 56 7 84 8 120 9 165 10 219 11 279 12 342 13 405 14 465 15 519 16 564 17 597 18 615 19 615 20 597 21 564 22 519 23 465 24 405 25 342 26 279 27 219 28 165 29 120 30 84 31 56 32 35 33 20 34 10 35 4 36 1