A287925 a(n) = prime(1)^4 + prime(n)^4.

32, 97, 641, 2417, 14657, 28577, 83537, 130337, 279857, 707297, 923537, 1874177, 2825777, 3418817, 4879697, 7890497, 12117377, 13845857, 20151137, 25411697, 28398257, 38950097, 47458337, 62742257, 88529297, 104060417, 112550897, 131079617, 141158177

Offset: 1

Author

XU Pingya, Jun 03 2017

Keywords

• nonn
• easy

Crossrefs

Cf. A030514, A287922.

Programs

Mathematica

Table[Prime[n]^4+2^4, {n, 29}]
Prime[Range[30]]^4+16 (* Harvey P. Dale, May 23 2024 *)

Formula

a(n) = 2^4 + prime(n)^4.