A173544 Ulam numbers that are fourth powers.

1, 16, 1296, 20736, 160000, 390625, 3748096, 8503056, 16777216, 62742241, 193877776, 429981696, 623201296, 855036081, 1766100625, 1871773696, 1982119441, 2562890625, 2947295521

Offset

1,2

Links

Table of n, a(n) for n=1..19.

Example

1296 is in the sequence because it is a fourth power (6^4=1296) as well as an Ulam number (A002858).

Crossrefs

Intersection of A000583 and A002858.

Sequence in context: A224098 A016828 A072161 * A248619 A334585 A163929

Adjacent sequences: A173541 A173542 A173543 * A173545 A173546 A173547

Keyword

nonn,more

Author

Shyam Sunder Gupta, Feb 20 2010

Extensions

a(7)-a(19) from Amiram Eldar, Aug 22 2020

Status

approved