# A333162 (b-file synthesized from sequence entry) 0 1 1 2 2 4 3 6 4 11 5 16 6 38 7 78 8 304 9 1672 10 19630 11 450154 12 20198620 13 1673850034 14 252574719718 15 69216356716672 16 34559361669877526 17 31561018687380681802 18 52958472442027295300520 19 163901411216705405946164728 20 939523329928455089556983977702