A217296 -id:A217296 - cp's OEIS frontend

A225754 Primes p such that A217296(p) is a prime number. That is, when applying the walk of rotated-square spiral to the data of square spiral, on step p a prime number is hit.

5, 11, 13, 29, 31, 41, 67, 71, 73, 79, 127, 137, 193, 199, 211, 293, 313, 421, 499, 503, 619, 631, 647, 661, 673, 773, 811, 967, 991, 1013, 1129, 1163, 1553, 1567, 1597, 1601, 1607, 1747, 1777, 1783, 1789, 1801, 1831, 1861, 1997, 2039, 2053, 2087, 2099, 2113, 2287, 2311

Offset: 1

Alex Ratushnyak, May 15 2013

nonn

Corresponding primes with prime indices, in sorted order: A225590. The intersection of a(n) with A225590 begins: 11, 67, 421, 619, 773, 1553, 1601, 2287, 2311, 2381, 2609, 3169, 3181, 3491, 3511, 4157, 4597, 4639, 6263, 7129, 7177, 7193, 8291, 9277.

Cf. A217015, A217296, A215468, A214526, A225590.

A225590 Primes p such that A217015(p) is a prime number. That is, when applying the walk of a square spiral to the data of rotated-square spiral, on step p a prime number is hit.

Original entry on oeis.org

2, 11, 17, 23, 53, 61, 67, 139, 149, 151, 163, 251, 263, 269, 281, 397, 421, 431, 541, 547, 557, 607, 619, 743, 773, 809, 1021, 1039, 1229, 1279, 1291, 1303, 1361, 1553, 1601, 1619, 1637, 1871, 1901, 1949, 2003, 2239, 2251, 2267, 2281, 2287, 2309, 2311, 2347, 2381, 2393

Offset: 1

Alex Ratushnyak, May 15 2013

nonn

Corresponding primes with prime indices, in sorted order: A225754.

Cf. A217015, A217296, A215468, A214526, A225754.

cp's OEIS Frontend

A225754 Primes p such that A217296(p) is a prime number. That is, when applying the walk of rotated-square spiral to the data of square spiral, on step p a prime number is hit.

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