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A222254 In the number n, replace all (decimal) digits '8' with '9' and vice versa. 45
0, 1, 2, 3, 4, 5, 6, 7, 9, 8, 10, 11, 12, 13, 14, 15, 16, 17, 19, 18, 20, 21, 22, 23, 24, 25, 26, 27, 29, 28, 30, 31, 32, 33, 34, 35, 36, 37, 39, 38, 40, 41, 42, 43, 44, 45, 46, 47, 49, 48, 50, 51, 52, 53, 54, 55, 56, 57, 59, 58, 60, 61, 62, 63, 64, 65, 66, 67, 69, 68, 70, 71, 72, 73, 74, 75 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

The map which is applied to primes in A171057.

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..1000

MATHEMATICA

a[n_]:= IntegerDigits[n]/.{8->9, 9->8}//FromDigits; Table[a[n], {n, 0, 80}] (* Vincenzo Librandi, Jul 29 2013 *)

PROG

(PARI) A222254(n, d=[0, 1, 2, 3, 4, 5, 6, 7, 9, 8])=sum(i=1, #n=digits(n), d[n[i]+1]*10^(#n-i), !n*d[1]) \\ N.B.: digits(0)=[] in PARI (v.2.6)

CROSSREFS

Cf. A222210-A222254; A171013-A171016, A175770, A171018-A171057.

Sequence in context: A031006 A031978 A304481 * A235489 A065306 A065307

Adjacent sequences:  A222251 A222252 A222253 * A222255 A222256 A222257

KEYWORD

nonn,base,easy

AUTHOR

M. F. Hasler, Feb 13 2013

STATUS

approved

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Last modified March 23 11:07 EDT 2019. Contains 321424 sequences. (Running on oeis4.)