A051244 - OEIS

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A051244

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

3

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

(list; graph; refs; listen; history; text; internal format)

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