A365292 a(n) is the least positive integer that can be expressed as the sum of a prime number and a fourth power of a positive integer in exactly n ways.
1, 3, 18, 644, 1298, 6662, 14948, 29102, 77579, 102044, 181838, 367022, 545828, 754652, 1095254, 1985807, 1875902, 2672339, 4102958, 4851593, 7444799, 6826874, 10715858, 16398674, 18805058, 23502134, 31500614, 34967159, 41824499, 47158793, 54659384, 67269347, 83885588
Offset: 0
Keywords
Examples
For n = 3: 644 = 19 + 5^4 = 563 + 3^4 = 643 + 1^4.
Extensions
More terms from Jinyuan Wang, Sep 13 2023