Row sums of A159841.

Terms

a(0) =1a(1) =5a(2) =29a(3) =176a(4) =1093a(5) =6885a(6) =43796a(7) =280600a(8) =1807781a(9) =11698223a(10) =75973189a(11) =494889092a(12) =3231947596a(13) =21153123932a(14) =138712176296a(15) =911137377456