[0,1,4,13,38,104,272,688,1696,4096,9728,22784, 52736,120832,274432,618496,1384448,3080192, 6815744,15007744,32899072,71827456,156237824, 338690048,731906048,1577058304,3388997632, 7264534528,15535702016]