login
A307493
Primes that are both centered triangular and centered square.
0
16381, 23199907725541, 873105326726527441, 169377932722437899461, 532026300937919058017204151243671297356368598920355705257429996547710782877327451810988538831181
OFFSET
1,1
COMMENTS
Primes that are the sum of three consecutive triangular numbers and the sum of two consecutive squares.
The next term is too large to include.
LINKS
Eric Weisstein's World of Mathematics, Centered Triangular Number
Eric Weisstein's World of Mathematics, Centered Square Number
MATHEMATICA
Select[LinearRecurrence[{195, -195, 1}, {1, 85, 16381}, 43], PrimeQ[#] &]
CROSSREFS
Intersection of A027862 and A125602.
Sequence in context: A126824 A236778 A344102 * A075958 A075963 A075959
KEYWORD
nonn
AUTHOR
Ilya Gutkovskiy, Apr 10 2019
STATUS
approved