# A336675 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 3 4 6 5 10 6 20 7 35 8 70 9 126 10 251 11 460 12 911 13 1690 14 3327 15 6225 16 12190 17 22950 18 44744 19 84626 20 164407 21 312019 22 604487 23 1150208 24 2223504 25 4239225 26 8181175 27 15621426 28 30108147 29 57556155 30 110820165 31 212037241 32 407946421 33 781074572 34 1501844193 35 2877011660 36 5529362694