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A295338 Number of points of the outer discrete Theodorus spiral on sheet S_n, n >= 1. First differences of A072895. 2
17, 37, 56, 76, 95, 115, 136, 154, 175, 194, 214, 234, 254, 273, 293, 313, 332, 352, 372, 392, 411, 432, 450, 471, 490, 511, 529, 550, 569, 590, 608, 629, 648, 668, 688, 708, 727, 747, 767, 786, 806, 826, 846, 865, 885 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

The punctured sheets S_n start here with n=1: S_n := rho*exp(i*phi), rho > 0, 2*Pi*(n-1) <= phi < 2*Pi*n.

For details and references see A072895.

LINKS

Table of n, a(n) for n=1..45.

FORMULA

a(n) = b(n+1) - b(n), n >= 1, with b(n) = A072895(n), and a(1) = 17.

CROSSREFS

Cf. A072895.

Sequence in context: A177835 A075698 A165493 * A059425 A225077 A146328

Adjacent sequences:  A295335 A295336 A295337 * A295339 A295340 A295341

KEYWORD

nonn

AUTHOR

Wolfdieter Lang, Dec 01 2017

STATUS

approved

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Last modified August 4 13:24 EDT 2020. Contains 336201 sequences. (Running on oeis4.)