A057930 -id:A057930 - cp's OEIS frontend

A057931 Positions at which powers of 2 occur in A057929. (Or -1 if it does not occur.)

-1, 0, -1, 2, 5, 11, 23, 32, 47, 83, 131, 239, 311, 527, 731, 965, 1703, 2675, 3827, 6359, 9659, 14555, 23087, 33041, 45995, 77519, 120467, 177635, 252713, 405317, 554033, 795827, 1335083, 1819523, 2491229, 4183463, 5920211, 8051987, 12530963, 20132057

Offset: 0

Larry Reeves (larryr(AT)acm.org), Oct 03 2000

Cf. A057929, A057930.

More terms from Sean A. Irvine, Jul 12 2022

A057929 a(0)=2, a(1)=5, a(n) = smallest number such that sequence b(n) = a(n) OR a(n+1) is strictly monotonically increasing.

Original entry on oeis.org

2, 5, 8, 6, 9, 16, 10, 17, 12, 18, 13, 32, 14, 33, 16, 34, 17, 36, 18, 37, 24, 38, 25, 64, 26, 65, 28, 66, 29, 96, 30, 97, 128, 98, 129, 100, 130, 101, 136, 102, 137, 112, 138, 113, 140, 114, 141, 256, 142, 257, 144, 258, 145, 260, 146, 261, 152, 262, 153, 288, 154

Offset: 0

Larry Reeves (larryr(AT)acm.org), Oct 03 2000

			See example in A051145

Cf. A051145, A057930, A057931.

cp's OEIS Frontend

A057931 Positions at which powers of 2 occur in A057929. (Or -1 if it does not occur.)

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A057929 a(0)=2, a(1)=5, a(n) = smallest number such that sequence b(n) = a(n) OR a(n+1) is strictly monotonically increasing.

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