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A077687 a(n) = n-th squarefree number beginning with n. 1
1, 21, 31, 46, 57, 67, 78, 803, 905, 1002, 1103, 1213, 1307, 1409, 1511, 1618, 1717, 1822, 1915, 2021, 2119, 2226, 2323, 2433, 2531, 2630, 2734, 2834, 2931, 3035, 3135, 3242, 3341, 3445, 3545, 3655, 3749, 3847, 3946, 4055, 4154, 4261, 4355, 4463, 4562 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..45.

CROSSREFS

Cf. A077336, A077677, A077678, A077679, A077680, A077681, A077682, A077683, A077684, A077685.

Sequence in context: A031889 A034101 A034111 * A113762 A032585 A138822

Adjacent sequences:  A077684 A077685 A077686 * A077688 A077689 A077690

KEYWORD

base,nonn

AUTHOR

Amarnath Murthy, Nov 16 2002

EXTENSIONS

More terms from Sascha Kurz, Jan 28 2003

STATUS

approved

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Last modified January 25 23:08 EST 2020. Contains 331270 sequences. (Running on oeis4.)