# A176916 (b-file synthesized from sequence entry) 0 2 1 11 2 36 3 141 4 646 5 3151 6 15656 7 78161 8 390666 9 1953171 10 9765676 11 48828181 12 244140686 13 1220703191 14 6103515696 15 30517578201 16 152587890706 17 762939453211 18 3814697265716 19 19073486328221 20 95367431640726 21 476837158203231 22 2384185791015736 23 11920928955078241 24 59604644775390746