# A261635 (b-file synthesized from sequence entry) 0 1 1 4 2 10 3 20 4 39 5 72 6 124 7 204 8 331 9 524 10 806 11 1216 12 1813 13 2660 14 3846 15 5500 16 7790 17 10916 18 15158 19 20880 20 28544 21 38736 22 52226 23 69972 24 93200 25 123460 26 162700 27 213340 28 278459 29 361860 30 468252 31 603484 32 774844 33 991220 34 1263576 35 1605392 36 2033172 37 2566972 38 3231338