cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A065014 Duplicate of A013945.

Original entry on oeis.org

3, 2, 11, 5, 27, 10, 51, 17, 83, 26, 123, 37, 171, 50, 227, 65, 291, 82, 363, 101, 443, 122, 531, 145, 627, 170, 731, 197, 843, 226, 963, 257, 1091, 290, 1227, 325, 1371, 362, 1523, 401, 1683, 442, 1851, 485, 2027, 530, 2211, 577, 2403, 626, 2603, 677
Offset: 1

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Author

Robert G. Wilson v, Nov 01 2001

Keywords

Examples

			a(3) = 11 because the continued fraction for the square root of 11 is 3, {3, 6}.
		

Programs

  • Mathematica
    a = Table[0, {70}]; Do[ b = First[ Last[ ContinuedFraction[ Sqrt[ n]]]]; If[ b < 71 && a[[b]] == 0, a[[b]] = n], {n, 2, 10^4} ]; a

Formula

G.f.: (x^5+3x^4-x^3+2x^2+2x+3)/(1-x^2)^3.