A278479 a(n) is the smallest k such that the 2-adic valuation of A000041(k) equals n.

0, 2, 26, 11, 15, 70, 66, 109, 154, 478, 441, 96, 3693, 15005, 66934, 99420, 18978, 43002, 55943, 972190, 1151214, 2799146, 26801784, 46632889, 15519397, 122101417, 210553237, 289585489, 473093534

Offset

0,2

Comments

a(n) is the smallest k such that A278478(k) = n.

Next term > 10^9.

Links

Table of n, a(n) for n=0..28.

Joerg Arndt, C++ program for this sequence

Crossrefs

Cf. A278478.

Sequence in context: A292359 A035420 A241202 * A351921 A022375 A072663

Adjacent sequences: A278476 A278477 A278478 * A278480 A278481 A278482

Keyword

nonn,more

Author

Joerg Arndt, Nov 23 2016

Status

approved