# A309272 (b-file synthesized from sequence entry) 1 1 2 2 3 5 4 15 5 31 6 40 7 66 8 81 9 315 10 966 11 1398 12 1768 13 30166 14 32335 15 98734 16 388033 17 591597 18 1375056 19 14966304 20 15160528 21 50793208 22 51302236 23 99253376 24 110994356 25 230465053 26 402340268 27 497982399 28 2027319577 29 2879855394 30 18450762682 31 29922126368 32 31711273834 33 40583934786