Number of points needed to display n on the LCD (liquid-crystal display) of a TI-83 calculator.

Terms

a(0) =19a(1) =10a(2) =14a(3) =14a(4) =14a(5) =17a(6) =15a(7) =11a(8) =17a(9) =15a(10) =29a(11) =20a(12) =24a(13) =24a(14) =24a(15) =27a(16) =25a(17) =21a(18) =27a(19) =25a(20) =33a(21) =24a(22) =28a(23) =28a(24) =28a(25) =31a(26) =29a(27) =25a(28) =31a(29) =29