A166090 a(n) = A016813(A166093(n)).

1, 5, 13, 21, 29, 61, 105, 53, 249, 133, 45, 141, 101, 221, 237, 173, 521, 285, 197, 117, 397, 269, 297, 669, 317, 341, 357, 381, 585, 485, 1265, 189, 2297, 461, 261, 1597, 509, 125, 629, 797, 333, 1237, 325, 773, 2369, 941, 549, 789, 1433, 1109

Offset

0,2

Comments

a(n) = the least integer of the form 4i+1, with A166040(i/2) = 2n.

Links

Table of n, a(n) for n=0..49.

Crossrefs

Differs from A166095 for the first time at n=16. See also A166096.

Sequence in context: A107997 A355461 A166095 * A065766 A288418 A034170

Adjacent sequences: A166087 A166088 A166089 * A166091 A166092 A166093

Keyword

nonn

Author

Antti Karttunen, Oct 08 2009

Status

approved