A353245 a(n) = A353989(n) AND A353989(n+1), where AND is the binary AND operator.

1, 2, 2, 2, 8, 8, 4, 4, 6, 5, 1, 9, 5, 4, 16, 16, 18, 2, 1, 1, 24, 24, 8, 5, 6, 24, 1, 32, 8, 4, 32, 32, 34, 2, 17, 40, 40, 44, 6, 5, 5, 32, 48, 48, 52, 50, 17, 17, 21, 52, 56, 48, 49, 2, 2, 24, 21, 64, 8, 30, 29, 73, 65, 64, 64, 64, 64, 72, 76, 64, 80, 80, 68, 72, 80, 2, 1, 1, 80, 88, 92, 14

Offset

1,2

Comments

See A353989 for further details. A graph of the terms displays a repetitive structure below the line y = n. See the linked images.

Links

Table of n, a(n) for n=1..82.

Scott R. Shannon, Image of the first 10000 terms. The green line is y = n.

Scott R. Shannon, Image of the first 100000 terms.

Example

a(2) = 2 as A353989(2) = 3 = 11_2 and A353989(3) = 6 = 110_2, and the binary AND of 11_2 and 110_2 = 10_2 = 2.

Crossrefs

Cf. A353989, A129760, A064413.

Sequence in context: A011140 A171715 A264605 * A275928 A221072 A339162

Adjacent sequences: A353242 A353243 A353244 * A353246 A353247 A353248

Keyword

nonn

Author

Scott R. Shannon, May 15 2022

Status

approved