A353734 Indices of terms in A353730 that are powers of 2.

1, 2, 4, 9, 19, 79, 159, 319, 1279, 10239, 20479, 40959, 163839, 1310719, 5242879, 10485759

Offset

1,2

Comments

The powers of 2 appear in the order 2, 1, 4, 8, 16, ... Every power of 2 will eventually appear in A353730 (in increasing order except for the initial inversion), so the sequence is infinite.

a(17) >= 83886079, since A353730(20971519) = 42002 and A353730(41943039) = 60626. - Russ Cox, May 19 2022

Links

Table of n, a(n) for n=1..16.

Example

A353730(79) = 32, so 79 is a term.

Crossrefs

Cf. A353730.

Sequence in context: A096354 A076838 A034749 * A053024 A240047 A090166

Adjacent sequences: A353731 A353732 A353733 * A353735 A353736 A353737

Keyword

nonn,more

Author

N. J. A. Sloane, May 18 2022

Extensions

a(9) from Chai Wah Wu, May 18 2022

a(10) from Chai Wah Wu, May 19 2022

a(11)-a(16) from Russ Cox, May 19 2022

Status

approved