a(n) = (12*n+8)^6.A017622a(n) = (12*n+8)^6.Terms a(0) =262144a(1) =64000000a(2) =1073741824a(3) =7256313856a(4) =30840979456a(5) =98867482624a(6) =262144000000a(7) =606355001344External referencesoeis: A017622