A026466 a(1) = 1; for n > 1, a(n) = least positive integer > a(n-1) and not a(i)^2 + a(j)^2 for 1<=i<j<=n-1.

1, 3, 4, 5, 6, 7, 8, 9, 11, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24, 27, 28, 29, 30, 31, 32, 33, 35, 36, 38, 39, 40, 42, 43, 44, 46, 47, 48, 49, 51, 53, 54, 55, 56, 57, 59, 60, 62, 63, 64, 66, 67, 68, 69, 70, 71, 72, 75, 76

Offset

1,2

Links

Table of n, a(n) for n=1..60.

Crossrefs

Sequence in context: A260580 A297468 A047565 * A304806 A304810 A026469

Adjacent sequences: A026463 A026464 A026465 * A026467 A026468 A026469

Keyword

nonn

Author

Clark Kimberling

Status

approved