impendia
searching PlanetScale…
- 1.▲
- 2.▲
- 3.▲
- 4.▲
- 5.▲
- 6.▲
55 ms·
- 661.▲
- 662.▲
- 663.▲
- 664.▲
- 665.▲
- 666.▲
- 667.▲
- 668.▲
- 669.▲
- 670.▲
- 671.▲
- 672.▲
- 673.▲
- 674.▲
- 675.▲
- 676.▲
- 677.▲
Here's another directly related phenomenon. Look at the function f(n) = n^2 + n + 41. Now start plugging in nonnegative integers. You get 41, 43, 47, 53, 61, 71, 83, 97, 113, 131, 151, 173, ..... All primes?! Well, not quite, plug in - 678.▲
- 679.▲
- 680.▲
- 681.▲
- 682.▲
- 683.▲
- 684.▲
- 685.▲
- 686.▲
- 687.▲
- 688.▲
- 689.▲
- 690.▲
More ›