The curvature of circles (rounded to nearest integer), successively inscribed toward the 45-degree angle of a 45-45-90 triangle, starting with a unit circle.

A228765

The curvature of circles (rounded to nearest integer), successively inscribed toward the 45-degree angle of a 45-45-90 triangle, starting with a unit circle.

Terms

    a(0) =1a(1) =2a(2) =5a(3) =11a(4) =25a(5) =56a(6) =126a(7) =283a(8) =633a(9) =1419a(10) =3178a(11) =7118a(12) =15943a(13) =35710a(14) =79985a(15) =179152a(16) =401270a(17) =898777a(18) =2013107a(19) =4509015a(20) =10099422a(21) =22620977a(22) =50667115a(23) =113485664a(24) =254188460a(25) =569338636a(26) =1275221080a(27) =2856276912

External references