a(n) = 137842*n - 106846.

Terms

a(0) =30996a(1) =168838a(2) =306680a(3) =444522a(4) =582364a(5) =720206a(6) =858048a(7) =995890a(8) =1133732a(9) =1271574a(10) =1409416a(11) =1547258a(12) =1685100a(13) =1822942a(14) =1960784a(15) =2098626a(16) =2236468a(17) =2374310a(18) =2512152a(19) =2649994a(20) =2787836a(21) =2925678a(22) =3063520a(23) =3201362a(24) =3339204a(25) =3477046