A091678 -id:A091678 - cp's OEIS frontend

A092213 In base 2: numbers n of the form k + reverse(k) for at least one k.

0, 2, 3, 5, 6, 9, 10, 14, 15, 17, 18, 21, 24, 25, 27, 30, 33, 34, 35, 37, 42, 44, 45, 51, 52, 54, 57, 62, 63, 65, 66, 69, 75, 78, 81, 84, 85, 90, 93, 96, 99, 101, 102, 105, 108, 114, 115, 119, 121, 126, 129, 130, 133, 135, 139, 146, 149, 150, 153, 155, 164, 165, 166

Offset: 0

Klaus Brockhaus, Feb 25 2004

Base-2 analog of A067030 (base 10) and A091678 (base 4). Complement of A092214.

			25 is a term since 25 (decimal) = 11001 = 10100 + 00101 = 20 (decimal) + 5 (decimal).

Cf. A035522, A092214, A067030, A091678.

A091679 In base 4, numbers n not of the form k + reverse(k) for any k.

Original entry on oeis.org

1, 3, 7, 8, 9, 11, 12, 13, 14, 16, 18, 19, 21, 22, 23, 24, 26, 27, 28, 29, 31, 32, 35, 36, 37, 38, 39, 40, 43, 44, 45, 46, 47, 48, 49, 52, 53, 54, 55, 56, 57, 60, 61, 62, 63, 64, 66, 69, 70, 71, 72, 73, 74, 77, 78, 79, 80, 81, 82, 83, 86, 87, 88, 89, 90, 91, 94, 95, 96, 97, 98

Offset: 0

Klaus Brockhaus, Jan 28 2004

Base-4 analog of A067031. Complement of A091678.

			31 is a term since 31 (decimal) = 133 and there is no k such that k + reverse(k) = 133 in base 4.

Cf. A091678, A067031.

cp's OEIS Frontend

A092213 In base 2: numbers n of the form k + reverse(k) for at least one k.

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