A247361 Interleave A000861\{0} and A247359: positive numbers with English name ending in a vowel resp. consonant.

1, 4, 2, 6, 3, 7, 5, 8, 9, 10, 12, 11, 21, 13, 22, 14, 23, 15, 25, 16, 29, 17, 31, 18, 32, 19, 33, 20, 35, 24, 39, 26, 41, 27, 42, 28, 43, 30, 45, 34, 49, 36, 51, 37, 52, 38, 53, 40, 55, 44, 59, 46, 61, 47, 62, 48, 63, 50, 65, 54, 69, 56, 71, 57, 72, 58, 73, 60, 75, 64, 79, 66, 81, 67, 82, 68, 83, 70, 85, 74, 89, 76, 91, 77, 92, 78, 93, 80, 95, 84, 99

Offset

1,2

Comments

A permutation of the positive integers.

See A247362 for a variant defined on the nonnegative integers.

Links

Table of n, a(n) for n=1..91.

Formula

a(2n)=A247362(2n-1), a(2n-1) = A247362(2n).

Example

Every other term is taken from the set A000861 \ {0} = {onE, twO, threE, fivE, ninE, twelvE, ...} resp. from A247359 = {fouR, siX, seveN, eighT, teN, eleveN, ...}

Crossrefs

Cf. A000861, A247359, A247362.

Sequence in context: A143308 A246879 A302794 * A370831 A297307 A163238

Adjacent sequences: A247358 A247359 A247360 * A247362 A247363 A247364

Keyword

nonn,word

Author

M. F. Hasler, Sep 14 2014

Status

approved