# A059595 (b-file synthesized from sequence entry) 0 1 1 7 2 35 3 133 4 434 5 1246 6 3262 7 7890 8 17913 9 38479 10 78883 11 155141 12 294280 13 540344 14 963832 15 1674568 16 2841006 17 4715970 18 7673834 19 12259142 20 19254676 21 29768972 22 45355660 23 68164628 24 101143574 25 148289946