Convert n from inches (") to centimeters (cm).

Terms

a(0) =0a(1) =3a(2) =5a(3) =8a(4) =10a(5) =13a(6) =15a(7) =18a(8) =20a(9) =23a(10) =25a(11) =28a(12) =30a(13) =33a(14) =36a(15) =38a(16) =41a(17) =43a(18) =46a(19) =48a(20) =51a(21) =53a(22) =56a(23) =58a(24) =61a(25) =64a(26) =66a(27) =69a(28) =71a(29) =74