# A034264 (b-file synthesized from sequence entry) 0 0 1 1 2 11 3 56 4 196 5 546 6 1302 7 2772 8 5412 9 9867 10 17017 11 28028 12 44408 13 68068 14 101388 15 147288 16 209304 17 291669 18 399399 19 538384 20 715484 21 938630 22 1216930 23 1560780 24 1981980 25 2493855 26 3111381 27 3851316 28 4732336 29 5775176 30 7002776 31 8440432