Number of nondecreasing sequences of 7 1..n integers with no element dividing the sequence sum.

Terms

a(0) =0a(1) =0a(2) =2a(3) =12a(4) =40a(5) =122a(6) =319a(7) =722a(8) =1503a(9) =2872a(10) =5159a(11) =9087a(12) =15030a(13) =24441a(14) =38349a(15) =58701a(16) =86682a(17) =127439a(18) =180934a(19) =255292a(20) =354781a(21) =484863a(22) =649910a(23) =870659a(24) =1146208a(25) =1495708a(26) =1935479a(27) =2485685a(28) =3146345a(29) =3979502