# A176957 (b-file synthesized from sequence entry) 0 1 1 4 2 5 3 22 4 79 5 353 6 1551 7 7192 8 33789 9 162387 10 791013 11 3905115 12 19480249 13 98078377 14 497676217 15 2542770602 16 13070074447 17 67540608437 18 350682097767 19 1828571411257 20 9571449473587 21 50275314445747 22 264915701312467