A118117 Concatenate n F(n) times.

1, 2, 33, 444, 55555, 66666666, 7777777777777, 888888888888888888888, 9999999999999999999999999999999999, 10101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010

Offset

1,2

Comments

A000461 Concatenate n n times.

References

F. Smarandache, "Properties of the numbers", Univ. of Craiova Archives, 1975; Arizona State University Special Collections, Tempe, AZ.

Links

Table of n, a(n) for n=1..10.

Formula

a(n) = n concatenated A000045(n) times. a(n) = A000027(n) concatenated A000045(n) times.

Example

a(6) = 6 concatenated F(6) times = 6 concatenated 8 times = 66666666, where F(n) = the n-th Fibonacci number.

Mathematica

Table[FromDigits[Flatten[IntegerDigits/@PadRight[{}, Fibonacci[n], n]]], {n, 10}] (* Harvey P. Dale, Aug 09 2020 *)

Crossrefs

Cf. A000045, A000461, A004216, A048376, A053422.

Sequence in context: A336969 A119300 A078262 * A231794 A083143 A064008

Adjacent sequences: A118114 A118115 A118116 * A118118 A118119 A118120

Keyword

base,easy,nonn

Author

Jonathan Vos Post, May 11 2006

Status

approved