A119484 Products associated with multipliers in A119483.

10, 111, 10, 1001, 11, 1001, 11101, 11001, 110101, 1101101, 111011, 111, 11111, 1101101, 10011, 100011, 11011111, 100101, 1101011, 10011, 10001, 10010011, 101011, 11010101, 11100001, 101, 11100001, 100010011, 1001010111

Offset

1,1

Comments

a(n) is the smallest number of the form m*prime(n) whose largest digit is 1. - Farideh Firoozbakht, Jun 03 2006

Links

Table of n, a(n) for n=1..29.

Formula

Find the number which when multiplied by the next prime, produces a product of all 1's and 0's or all 1's.

Example

a(1)=111 because 3*37=111.

Mathematica

a[n_]:=(For[m=1, Max[IntegerDigits[m*Prime[n]]]!=1, m++ ]; m*Prime[n]); Do[Print[a[n]], {n, 1, 29}] (* Farideh Firoozbakht, Jun 03 2006 *)

Prog

(UBASIC) 'See A119483

Crossrefs

Cf. A119483.

Sequence in context: A282679 A086996 A004284 * A281749 A282364 A281895

Adjacent sequences: A119481 A119482 A119483 * A119485 A119486 A119487

Keyword

easy,nonn

Author

Enoch Haga, May 23 2006

Extensions

More terms from Farideh Firoozbakht, Jun 03 2006

Status

approved