# A007390 (b-file synthesized from sequence entry) 1 0 2 0 3 0 4 4 5 5 6 15 7 21 8 44 9 66 10 120 11 187 12 319 13 507 14 840 15 1348 16 2204 17 3553 18 5775 19 9329 20 15124 21 24454 22 39600 23 64055 24 103679 25 167735 26 271440 27 439176 28 710644 29 1149821 30 1860495 31 3010317 32 4870844 33 7881162 34 12752040 35 20633203 36 33385279 37 54018483