A053997 Sum of primes in n-th shell of prime spiral.

2, 98, 960, 3828, 10228, 21772, 40248, 67390, 105222, 156300, 221246, 304392, 404404, 528100, 672456, 844334, 1044690, 1270896, 1531834, 1833912, 2163068, 2537074, 2949726, 3412394, 3922832, 4470566, 5074544, 5742778, 6460670

Offset: 0

Author

Enoch Haga, Apr 06 2000

Keywords

• easy
• nonn

References

• G. L. Honaker, Jr., idea in 1998 email correspondence.
• Mike Keith, "Letter Spirals," Word Ways (33,1), Feb 15 2000. Pages 3-7.

Crossrefs

Cf. A053823.