A001161 Numbers containing an even number of letters.

0, 4, 5, 9, 11, 12, 13, 14, 18, 19, 20, 24, 25, 29, 30, 34, 35, 39, 41, 42, 43, 46, 47, 48, 51, 52, 53, 56, 57, 58, 61, 62, 63, 66, 67, 68, 71, 72, 73, 76, 77, 78, 80, 84, 85, 89, 90, 94, 95, 99

Offset

1,2

Links

Table of n, a(n) for n=1..50.

Crossrefs

Cf. A005589, complement of A001162.

Sequence in context: A336900 A096808 A067261 * A099539 A110603 A224862

Adjacent sequences: A001158 A001159 A001160 * A001162 A001163 A001164

Keyword

nonn,word

Author

William P. Everts [ bille(AT)regenisys.com ]

Status

approved