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A027862 Primes of the form n^2 + (n+1)^2; or, primes of the form (n^2+1)/2. +0
12
5, 13, 41, 61, 113, 181, 313, 421, 613, 761, 1013, 1201, 1301, 1741, 1861, 2113, 2381, 2521, 3121, 3613, 4513, 5101, 7321, 8581, 9661, 9941, 10513, 12641, 13613, 14281, 14621, 15313, 16381, 19013, 19801, 20201, 21013, 21841, 23981, 24421, 26681 (list; graph; listen)
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Last modified December 1 13:27 EST 2009. Contains 167806 sequences.


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