1,1

Corresponding primes of the form (2p)! - 1 are {23,719,87178291199,523022617466601111760007224100074291199999999,...}.

Cf. A002982, A103317.

Sequence in context: A128025 A092064 A091410 this_sequence A033844 A037028 A052919

Adjacent sequences: A122721 A122722 A122723 this_sequence A122725 A122726 A122727

hard,more,nonn

Alexander Adamchuk (alex(AT)kolmogorov.com), Sep 23 2006