# A053476 (b-file synthesized from sequence entry) 1 9 2 21 3 42 4 82 5 130 6 330 7 450 8 666 9 1050 10 1470 11 1950 12 2922 13 4074 14 5586 15 7770 16 11154 17 15810 18 22638 19 30702 20 42570 21 53130 22 68970 23 107690 24 159390 25 206910 26 289830 27 395190 28 610350 29 823290 30 1185570 31 1522290 32 2168250 33 3011850 34 4103490 35 5364450