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A034901 a(n) is square mod a(i), i < n; a(n) nonsquare. 0
2, 3, 6, 7, 15, 21, 30, 39, 51, 120, 204, 480, 816, 849, 2041, 2185, 4785, 19140, 21505, 43065, 44080, 49504, 59185, 172260, 176320, 178465, 236740, 387585, 443521, 552601, 1774084, 2210404, 2310385, 3991689, 4973409, 5371081, 7096336 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..37.

CROSSREFS

Sequence in context: A265394 A125167 A137604 * A275390 A109976 A011768

Adjacent sequences:  A034898 A034899 A034900 * A034902 A034903 A034904

KEYWORD

nonn

AUTHOR

David W. Wilson

STATUS

approved

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Last modified December 18 12:36 EST 2018. Contains 318229 sequences. (Running on oeis4.)