Number of subsets of {2..n} such that the product of the elements is a decimal palindrome.

Terms

a(0) =1a(1) =1a(2) =2a(3) =4a(4) =6a(5) =7a(6) =8a(7) =10a(8) =11a(9) =13a(10) =13a(11) =33a(12) =43a(13) =56a(14) =70a(15) =73a(16) =99a(17) =114a(18) =134a(19) =151a(20) =151a(21) =185a(22) =333a(23) =372a(24) =445a(25) =456a(26) =558a(27) =565a(28) =672a(29) =1031