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Search: id:A110588
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| A110588 |
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Squares of the form 2*p+3 that are squares of primes. |
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+0
1
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| 9, 25, 49, 121, 169, 361, 529, 841, 961, 1369, 1681, 2209, 4489, 5329, 6241, 9409, 10201, 10609, 11881
(list; graph; listen)
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OFFSET
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1,1
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MAPLE
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ispower := proc(n, b) andmap(proc(w) evalb(w[2] mod b = 0) end, ifactors(n)[2]) end: a:=2: PW||a:=[]; for z from 1 to 1 do for n from 1 to 1000 do p:=ithprime(n); m:=a*p+a+1; if ispower(m, 2) and isprime(sqrt(m)) then PW||a:=[op(PW||a), m] fi od; od; PW||a;
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CROSSREFS
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Cf. A098828, A109358.
Sequence in context: A141768 A110284 A109367 this_sequence A038771 A045972 A112629
Adjacent sequences: A110585 A110586 A110587 this_sequence A110589 A110590 A110591
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KEYWORD
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nonn
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AUTHOR
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Walter A. Kehowski (wkehowski(AT)cox.net), Sep 13 2005
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