A082845 - OEIS

A082845

Partial sums of A082844.

2, 5, 7, 10, 12, 14, 17, 19, 22, 24, 26, 29, 31, 34, 36, 39, 41, 43, 46, 48, 51, 53, 55, 58, 60, 63, 65, 68, 70, 72, 75, 77, 80, 82, 84, 87, 89, 92, 94, 96, 99, 101, 104, 106, 109, 111, 113, 116, 118, 121, 123, 125, 128, 130, 133, 135, 138, 140, 142, 145, 147, 150, 152

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

Michael De Vlieger, Table of n, a(n) for n = 1..10000

Robbert Fokkink, The Pell Tower and Ostronometry, arXiv:2309.01644 [math.CO], 2023.

FORMULA

a(n) = 1+floor((1+sqrt(2))*n-(2-sqrt(2))).

MATHEMATICA

With[{s = Sqrt[2]}, Array[1 + Floor[# (1 + s) - (2 - s)] &, 120]] (* Michael De Vlieger, Sep 09 2023 *)

CROSSREFS

Not the same as A003153.