# A003912 (b-file synthesized from sequence entry) 1 1 2 51 3 51 4 153 5 153 6 680 7 1029 8 1029 9 1275 10 1275 11 1275 12 1920 13 4080 14 4352 15 6272 16 6528 17 7497 18 7497 19 7650 20 7650 21 7650 22 10880 23 11475 24 11475 25 11900 26 13720 27 14400 28 17493 29 20825 30 21504 31 21504 32 22050 33 23324