A087526 a(0) = 1, a(n) = smallest squarefree number == 1 (mod a(n-1)) with n prime divisors.

1, 2, 15, 286, 8295, 6926326, 5063144307, 9452890421170, 69667802404022901, 229137402106831321390, 16877115352178660976980451, 4345165241456565876472409934010

Offset

0,2

Links

Table of n, a(n) for n=0..11.

Crossrefs

Sequence in context: A174482 A076111 A371673 * A283275 A372312 A264703

Adjacent sequences: A087523 A087524 A087525 * A087527 A087528 A087529

Keyword

nonn

Author

Amarnath Murthy, Sep 12 2003

Extensions

More terms from Gabriel Cunningham (gcasey(AT)mit.edu), Sep 16 2003.

Further terms from Ray Chandler, Sep 17 2003

Status

approved