A055966 n + reversal of base 20 digits of n (written in base 10).

0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 21, 42, 63, 84, 105, 126, 147, 168, 189, 210, 231, 252, 273, 294, 315, 336, 357, 378, 399, 420, 42, 63, 84, 105, 126, 147, 168, 189, 210, 231, 252, 273, 294, 315, 336, 357, 378, 399, 420

Offset

0,2

Comments

If n has an even number of base 20 digits then a(n) is a multiple of 21.

Links

Table of n, a(n) for n=0..58.

Formula

a(n) = n + A056963(n).

Crossrefs

Cf. A056964.

Sequence in context: A195169 A338922 A055964 * A087113 A366846 A004275

Adjacent sequences: A055963 A055964 A055965 * A055967 A055968 A055969

Keyword

base,nonn

Author

Henry Bottomley, Jul 18 2000

Status

approved