A024405 Number of products of distinct primes <= p(n) equal to 1 (mod p(n)).

1, 1, 2, 2, 2, 4, 5, 7, 13, 19, 36, 56, 102, 193, 350, 642, 1131, 2191, 3975, 7480, 14540, 27004, 51067, 95327, 174777, 335535, 658017, 1266162, 2485494, 4793475, 8521778, 16519017, 31580551, 62245705, 116080359, 229064578, 440510030, 848388496

Offset

1,3

Links

Table of n, a(n) for n=1..38.

Crossrefs

Sequence in context: A326685 A274150 A057591 * A230381 A082547 A068928

Adjacent sequences: A024402 A024403 A024404 * A024406 A024407 A024408

Keyword

nonn

Author

David W. Wilson

Status

approved