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A184015
n-1+ceiling(n^2/e); complement of A184014.
1
1, 3, 6, 9, 14, 19, 25, 31, 38, 46, 55, 64, 75, 86, 97, 110, 123, 137, 151, 167, 183, 200, 217, 235, 254, 274, 295, 316, 338, 361, 384, 408, 433, 459, 485, 512, 540, 569, 598, 628, 659, 690, 723, 756, 789, 824, 859, 895, 932, 969, 1007, 1046, 1086, 1126, 1167, 1209, 1252, 1295, 1339, 1384, 1429, 1476, 1523, 1570, 1619, 1668, 1718, 1769, 1820, 1872, 1925, 1979, 2033, 2088, 2144, 2200, 2258, 2316, 2374, 2434
OFFSET
1,2
FORMULA
a(n) = n-1+ceiling(n^2/e)
MATHEMATICA
a=E; b=0;
Table[n+Floor[(a*n+b)^(1/2)], {n, 120}]
Table[n-1+Ceiling[(n*n-b)/a], {n, 80}]
CROSSREFS
Cf. A184014.
Sequence in context: A228172 A130473 A261229 * A225282 A242771 A310169
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, Jan 09 2011
STATUS
approved