A139409 Numbers n such that n=d_1!!^2+d_2!!^2+...+d_k!!^2 where d_1d_2...d_k is the decimal expansion of n.

1, 11037, 158712, 904117, 906373

Offset

1,2

Links

Table of n, a(n) for n=1..5.

Example

906373=9!!^2+0!!^2+6!!^2+3!!^2+7!!^2+3!!^2.

Crossrefs

Sequence in context: A325311 A164518 A198208 * A233789 A236151 A032427

Adjacent sequences: A139406 A139407 A139408 * A139410 A139411 A139412

Keyword

base,fini,full,nonn

Author

Farideh Firoozbakht, May 08 2008

Status

approved