A101698 Numbers n such that n = d_1*d_1!+d_2*d_2!+...+d_k*d_k!, where d_1 d_2 ... d_k is the decimal expansion of n.

0, 1, 684817, 3371797

Offset

1,3

Links

Table of n, a(n) for n=1..4.

Example

3371797 is in the sequence because 3371797 = 3*3!+3*3!+7*7!+1*1!+7*7!+9*9!+7*7!.

Mathematica

Do[If[n==Apply[Plus, IntegerDigits[n]*IntegerDigits[n]! ], Print[n]], {n, 26000000}]

Crossrefs

Cf. A014080, A097642, A101699.

Sequence in context: A258607 A081415 A354447 * A323805 A185865 A238144

Adjacent sequences: A101695 A101696 A101697 * A101699 A101700 A101701

Keyword

base,fini,full,nonn

Author

Farideh Firoozbakht, Dec 18 2004

Status

approved