# A026562 (b-file synthesized from sequence entry) 0 1 1 26 2 440 3 6160 4 77616 5 915936 6 10347520 7 113400320 8 1215923456 9 12829712896 10 133751654400 11 1381696942080 12 14173677776896 13 144610035654656 14 1469203965870080 15 14877573810749440 16 150264242988711936