Concatenation of first two digits and last two digits of n-th even perfect number.

Terms

a(0) =66a(1) =2828a(2) =4996a(3) =8128a(4) =3336a(5) =8556a(6) =1328a(7) =2328a(8) =2676a(9) =1916a(10) =1328a(11) =1428a(12) =2376a(13) =1428a(14) =5428a(15) =1028a(16) =9976a(17) =3356a(18) =1836a(19) =4028a(20) =1116a(21) =5976a(22) =3936a(23) =9356a(24) =1076a(25) =8116a(26) =3656a(27) =1428a(28) =1328a(29) =1316