A288172 a(n) = smallest number that is the sum of 2n - 1, 2n + 1, and 2n + 3 consecutive primes.

83, 311, 55813, 42161, 42161, 714295, 113469, 5539053, 20919, 1439643, 7134703, 13432571, 3337639, 6082489, 25241217, 25241217, 2389687, 54309171, 4142423, 63388405, 21570897, 15843991, 62196365, 233917295, 11679841, 96905683, 229821375, 460000131, 125571943

Offset: 1

Author

Zak Seidov, Jun 06 2017

Keywords

• nonn

Examples

			n=1: 83 = A000040(23) = A034961(9) = A034964(5) = 23+29+31 = 11+13+17+19+23.
n=20: 63388405 is the sum of 39, 41 and 43 consecutive primes, A000040(122889)+...+A000040(122889+38) = A000040(117360)+...+A000040(122889+40) = A000040(112314)+...+A000040(112314+42).
		

Crossrefs

Cf. A213174.

Extensions

More terms from Giovanni Resta, Jun 13 2017