# A131493 (b-file synthesized from sequence entry) 1 3 2 226 3 1837 4 2163 5 5358 6 44857 7 170788 8 482721 9 8918391 10 36589396 11 122394502 12 1107852077 13 10071260304 14 22991513047 15 81477190549 16 422242473309 17 4242315932866 18 153777057499935 19 282960008506695 20 1683262946768556 21 1099372130016731506 22 1117679864051418714