Number of terms of 2^j + 3^k <= 10^n.

Terms

a(0) =7a(1) =29a(2) =64a(3) =118a(4) =181a(5) =254a(6) =354a(7) =453a(8) =565a(9) =708a(10) =878a(11) =1033a(12) =1224a(13) =1403a(14) =1594a(15) =1828a(16) =2046a(17) =2274a(18) =2553a(19) =2808a(20) =3139a(21) =3467a(22) =3765a(23) =4073a(24) =4443a(25) =4779a(26) =5124a(27) =5537a(28) =5911a(29) =6294