A051244 Binary numbers d(1)...d(j) such that d(i) = d(j+1-i) for all but two values of i.

2, 4, 6, 8, 11, 13, 14, 16, 19, 20, 23, 25, 26, 29, 30, 32, 35, 37, 41, 44, 47, 49, 50, 55, 59, 61, 62, 64, 67, 69, 72, 75, 77, 81, 84, 87, 89, 92, 95, 97, 98, 103, 105, 106, 111, 115, 117, 118, 123, 125, 126, 128, 131, 133, 137, 145, 152

Offset

1,1

Comments

Each number becomes a palindrome by changing one digit.

Links

Table of n, a(n) for n=1..57.

Crossrefs

Cf. A051247, A050874.

Sequence in context: A117638 A128403 A205556 * A054683 A327255 A287777

Adjacent sequences: A051241 A051242 A051243 * A051245 A051246 A051247

Keyword

nonn,base

Author

Clark Kimberling

Extensions

Name corrected by Sean A. Irvine, Aug 20 2021

Status

approved