Terms in A007468 which are multiples of their indices.

Terms

a(0) =2a(1) =8a(2) =88a(3) =384a(4) =1056a(5) =2310a(6) =207936a(7) =417219a(8) =2978610a(9) =6215400a(10) =9216124a(11) =205006774a(12) =255230655a(13) =576178034a(14) =1157525280a(15) =2038109955a(16) =3053762208a(17) =10584038058a(18) =25042362120