A323637 Lexicographically earliest sequence of distinct positive integers such that the nested square root sqrt(a(n) - sqrt(a(n-1) - ... - sqrt(a(1))...)) is an integer.

1, 2, 5, 3, 10, 4, 17, 8, 6, 11, 7, 18, 13, 12, 19, 20, 29, 9, 27, 14, 28, 21, 40, 15, 39, 22, 53, 16, 52, 23, 68, 24, 85, 25, 104, 26, 125, 36, 30, 41, 31, 54, 32, 69, 33, 86, 34, 105, 35, 126, 47, 42, 55, 43, 70, 44, 87, 45, 106, 46, 127, 60, 56, 71, 57, 88, 58, 107, 59, 128, 75, 72

Offset

1,2

Links

Ivan Neretin, Table of n, a(n) for n = 1..10000

Crossrefs

Cf. A323638 (values of the square roots), A323635 (similar definition with plus).

Sequence in context: A191855 A064664 A352188 * A349637 A078386 A163254

Adjacent sequences: A323634 A323635 A323636 * A323638 A323639 A323640

Keyword

nonn,look

Author

Ivan Neretin, Jan 21 2019

Status

approved