A014388 a(2n-1) = n+2, a(2n) = smallest number requiring n+2 letters in English.

3, 1, 4, 4, 5, 3, 6, 11, 7, 15, 8, 13, 9, 17, 10, 24, 11, 23, 12, 73, 13, 3000, 14, 11000, 15, 15000, 16, 101, 17, 104, 18, 103, 19, 111, 20, 115, 21, 113, 22, 117, 23, 124, 24, 123, 25, 173, 26, 323, 27, 373, 28, 1104, 29, 1103, 30, 1111, 31

Offset: 1

Author

Jacques Haubrich (jhaubrich(AT)freeler.nl)

Keywords

• nonn
• word
• easy

Comments

Uses number forms containing "and"; that is, "one hundred and one" rather than "one hundred one". - Sean A. Irvine, Oct 20 2018

Crossrefs

Cf. A000916, A001166, A014388, A045494, A045495.

Extensions

More terms from Sean A. Irvine, Oct 20 2018