A174891 Row indices for nonzero elements in first column of A174888.

1, 4, 6, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 22, 24, 25, 26, 27, 28, 32, 33, 34, 35, 36, 38, 39, 40, 44, 45, 46, 48, 49, 50, 51, 52, 54, 55, 56, 57, 58, 60, 62, 63, 64, 65, 68, 69, 72, 74, 75, 76, 77

Offset

1,2

Comments

Compare with nonprimes A018252. 30 is not a member of this sequence. Neither is 42.

Links

Table of n, a(n) for n=1..52.

Crossrefs

Cf. A174889, A174888, A018252.

Sequence in context: A077091 A340268 A340058 * A051035 A046349 A115683

Adjacent sequences: A174888 A174889 A174890 * A174892 A174893 A174894

Keyword

nonn

Author

Mats Granvik, Apr 01 2010

Status

approved