Maximum sum of products of successive pairs in a permutation of order n+1.

Terms

a(0) =0a(1) =2a(2) =9a(3) =23a(4) =46a(5) =80a(6) =127a(7) =189a(8) =268a(9) =366a(10) =485a(11) =627a(12) =794a(13) =988a(14) =1211a(15) =1465a(16) =1752a(17) =2074a(18) =2433a(19) =2831a(20) =3270a(21) =3752a(22) =4279a(23) =4853a(24) =5476a(25) =6150a(26) =6877a(27) =7659a(28) =8498a(29) =9396