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A375692
Decimal concatenation of the 5 numbers n,n+1,n+2,n+3,n+4.
0
12345, 23456, 34567, 45678, 56789, 678910, 7891011, 89101112, 910111213, 1011121314, 1112131415, 1213141516, 1314151617, 1415161718, 1516171819, 1617181920, 1718192021, 1819202122, 1920212223, 2021222324, 2122232425, 2223242526, 2324252627, 2425262728, 2526272829
OFFSET
1,1
MATHEMATICA
Table[FromDigits[Join[Flatten[IntegerDigits/@{n, n+1, n+2, n+3, n+4}]]], {n, 25}] (* James C. McMahon, Oct 11 2024 *)
PROG
(Python)
def a(n): return int(str(n)+str(n+1)+str(n+2)+str(n+3)+str(n+4))
(PARI) a(n) = eval(concat(vector(5, i, Str(n+i-1)))); \\ Michel Marcus, Sep 17 2024
CROSSREFS
KEYWORD
nonn,base,easy
AUTHOR
Viljo Huhtala, Aug 25 2024
STATUS
approved