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A101870
Row 3 of A101866.
3
13, 26, 34, 47, 60, 68, 81, 89, 102, 115, 123, 136, 149, 157, 170, 178, 191, 204, 212, 225, 233, 246, 259, 267, 280, 293, 301, 314, 322, 335, 348, 356, 369, 382, 390, 403, 411, 424, 437, 445, 458, 466, 479, 492, 500, 513, 526, 534, 547, 555, 568, 581, 589, 602, 610, 623
OFFSET
1,1
FORMULA
a(n) = 3*n + 5*ceiling(n*(1 + sqrt(5))/2). - Paolo Xausa, Mar 20 2024
MATHEMATICA
Array[3*# + 5*Ceiling[#*GoldenRatio] &, 100] (* Paolo Xausa, Mar 20 2024 *)
CROSSREFS
Sequence in context: A371463 A346003 A164007 * A321714 A260748 A256344
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Jan 28 2005
STATUS
approved