login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A045880
Integers whose square root is "well approximated" by other square roots of integers.
4
1, 2, 3, 4, 5, 6, 8, 10, 12, 14, 15, 18, 20, 21, 22, 24, 26, 28, 29, 32, 33, 34, 35, 38, 40, 42, 44, 46, 47, 50, 52, 54, 57, 58, 60, 62, 63, 65, 66, 68, 70, 72, 74, 75, 77, 78, 79, 82, 85, 86, 87, 89, 92, 93, 94, 96, 98, 101, 102, 104, 106, 109, 112, 113, 115, 118
OFFSET
1,2
COMMENTS
Integers m for which f(m) < f(m-1) where f(m) = Min_{sqrt(m) - sum sqrt(c_i) > 0 with c_i being distinct integers}.
CROSSREFS
Cf. A337211.
Sequence in context: A090811 A162002 A182764 * A273011 A032956 A004272
KEYWORD
nonn
EXTENSIONS
Offset changed to 1, corrected and more terms from Jinyuan Wang, Aug 23 2020
STATUS
approved