# A036884 (b-file synthesized from sequence entry) 1 1 2 3 3 7 4 18 5 42 6 97 7 207 8 431 9 861 10 1685 11 3216 12 6042 13 11139 14 20248 15 36245 16 64041 17 111663 18 192432 19 327803 20 552593 21 922129 22 1524496 23 2497868 24 4058745 25 6542497 26 10467325 27 16626651 28 26231148 29 41114412 30 64042922 31 99164091 32 152671363 33 233762167