A026249 a(n) = j if n = [ j*sqrt(2) ], else a(n) = k if n = [ k*(2 + sqrt(2)) ].

1, 2, 1, 3, 4, 2, 5, 6, 7, 3, 8, 9, 4, 10, 11, 12, 5, 13, 14, 6, 15, 16, 7, 17, 18, 19, 8, 20, 21, 9, 22, 23, 24, 10, 25, 26, 11, 27, 28, 12, 29, 30, 31, 13, 32, 33, 14, 34, 35, 36, 15, 37, 38, 16, 39, 40, 41, 17, 42, 43, 18, 44, 45, 19, 46, 47, 48

Offset

1,2

Links

Table of n, a(n) for n=1..67.

Crossrefs

Sequence in context: A366691 A009947 A166711 * A130527 A026366 A209125

Adjacent sequences: A026246 A026247 A026248 * A026250 A026251 A026252

Keyword

nonn

Author

Clark Kimberling

Status

approved