A081449 Smallest squares such that partial sums of the sequence plus 17 are primes.

36, 36, 144, 36, 324, 900, 144, 576, 144, 36, 576, 1764, 144, 144, 1296, 36, 36, 2304, 144, 324, 900, 7056, 1296, 1296, 144, 36, 900, 10404, 144, 144, 36, 3600, 36, 576, 900, 900, 324, 36, 2304, 1764, 144, 576, 144, 576, 144, 36, 36, 36, 144, 1764, 576

Offset

1,1

Comments

Members are of the form (6m)^2, m integer (A081450).

Links

Table of n, a(n) for n=1..51.

Prog

(PARI) t=17; for(n=2, 100, for(k=1, 10^8, if(isprime(k^2+t), print1(k^2", "); t=t+k^2; break)))

Crossrefs

Cf. A081445, A081447.

Sequence in context: A124511 A372712 A081445 * A284568 A165857 A218052

Adjacent sequences: A081446 A081447 A081448 * A081450 A081451 A081452

Keyword

nonn

Author

Ralf Stephan, Mar 21 2003

Status

approved