# A023496 (b-file synthesized from sequence entry) 0 4 1 7 2 13 3 19 4 29 5 43 6 65 7 101 8 157 9 247 10 392 11 626 12 1004 13 1616 14 2604 15 4202 16 6787 17 10969 18 17735 19 28682 20 46394 21 75052 22 121421 23 196448 24 317842 25 514261 26 832073 27 1346303 28 2178344 29 3524614 30 5702924 31 9227503 32 14930391 33 24157857 34 39088210