# A279312 (b-file synthesized from sequence entry) 0 1 1 2 2 4 3 8 4 12 5 24 6 40 7 80 8 128 9 256 10 416 11 832 12 1344 13 2688 14 4352 15 8704 16 14080 17 28160 18 45568 19 91136 20 147456 21 294912 22 477184 23 954368 24 1544192 25 3088384 26 4997120 27 9994240 28 16171008 29 32342016 30 52330496