A075372 Smallest squarefree number not occurring earlier such that the every partial sum is squarefree.

1, 2, 3, 5, 6, 13, 7, 10, 11, 15, 14, 19, 17, 22, 21, 29, 23, 31, 33, 35, 30, 26, 34, 38, 37, 39, 41, 47, 42, 43, 51, 46, 58, 53, 55, 61, 59, 62, 66, 57, 65, 67, 69, 70, 73, 71, 74, 78, 77, 79, 82, 86, 85, 83, 89, 87, 93, 91, 97, 101, 94, 106, 102, 105, 103, 109, 95, 113, 107

Offset

1,2

Comments

Subsidiary sequence that should be added: first occurrence of n consecutive squarefree numbers.

Links

Table of n, a(n) for n=1..69.

Crossrefs

Cf. A075370, A075371.

Sequence in context: A191783 A358290 A098930 * A064725 A301761 A253644

Adjacent sequences: A075369 A075370 A075371 * A075373 A075374 A075375

Keyword

nonn

Author

Amarnath Murthy, Sep 20 2002

Extensions

More terms from David Wasserman, Jan 16 2005

Status

approved