A182045 Lexicographically earliest sequence: a(n)+a(n+1) is alternatively square and cube, a(1)=1.

1, 3, 5, 4, 23, 2, 6, 10, 17, 8, 19, 30, 34, 15, 12, 13, 14, 11, 16, 9, 18, 7, 20, 29, 35, 46, 79, 21, 43, 38, 26, 55, 70, 51, 74, 47, 78, 22, 42, 39, 25, 24, 40, 41, 84, 37, 27, 54, 71, 50, 75, 69, 56, 44, 81, 63, 62, 59, 66, 103, 113, 31, 33, 48, 77, 67, 58

Offset

1,2

Comments

Sequence is infinite, and almost certainly is rearrangement of natural numbers.

Corresponding squares and cubes in A182046.

Links

Zak Seidov, Table of n, a(n) for n = 1..10000

Example

1+3 = 2^2, 3+5 =2^3, 5+4 = 3^2, 4+23 = 5^2, etc.

Crossrefs

Sequence in context: A167808 A161353 A360449 * A133758 A350904 A242288

Adjacent sequences: A182042 A182043 A182044 * A182046 A182047 A182048

Keyword

nonn

Author

Zak Seidov, Apr 08 2012

Status

approved