Middle of 3 consecutive prime numbers, p1, p2, p3, such that p1*p2*p3*d1*d2 = average of twin prime pairs; d1 (delta) = p2 - p1, d2 (delta) = p3 - p2.

A153410

Middle of 3 consecutive prime numbers, p1, p2, p3, such that p1*p2*p3*d1*d2 = average of twin prime pairs; d1 (delta) = p2 - p1, d2 (delta) = p3 - p2.

Terms

    a(0) =3a(1) =5a(2) =23a(3) =67a(4) =233a(5) =503a(6) =683a(7) =1013a(8) =1759a(9) =2099a(10) =2797a(11) =3169a(12) =10663a(13) =12391a(14) =12899a(15) =13487a(16) =15149a(17) =18583a(18) =20563a(19) =21881a(20) =25373a(21) =26237a(22) =26681a(23) =33613a(24) =36787a(25) =36943a(26) =41411a(27) =41443a(28) =43573a(29) =61547

External references