# A199774 (b-file synthesized from sequence entry) 1 0 2 3 3 5 4 32 5 203 6 333 7 2112 8 13395 9 21973 10 139360 11 883867 12 1449885 13 9195648 14 58321827 15 95670437 16 606773408 17 3848356715 18 6312798957 19 40037849280 20 253933221363 21 416549060725 22 2641891279072 23 16755744253243 24 27485925208893 25 174324786569472 26 1105625187492675