A190754 - OEIS

%I #7 Apr 09 2021 22:16:45

%S 15,33,50,69,85,103,121,139,155,174,192,210,226,244,261,279,297,314,

%T 332,350,368,386,402,421,437,455,471,491,508,526,544,561,578,597,614,

%U 631,648,667,684,701,719,737,754,773,789,808,825,844,859,877,895,913,930,947,967,984,1002,1019,1037,1054,1072,1089,1106,1124,1143

%N a(n) = n + [nr/u] + [ns/u] + [nt/u] + [nv/u] + [nw/u], where r=sinh(x), s=cosh(x), t=tanh(x), u=csch(x), v=sech(x), w=coth(x), x=Pi/2.

%C See A190751.

%t (See A190751.)

%Y Cf. A190751.

%K nonn

%O 1,1

%A _Clark Kimberling_, May 18 2011