

A114460


Integer part of sqrt(n)+sqrt(n+1)+sqrt(n+2)+sqrt(n+3)+sqrt(n+4).


3



8, 9, 11, 12, 13, 14, 14, 15, 16, 17, 18, 18, 19, 19, 20, 21, 21, 22, 22, 23, 23, 24, 24, 25, 25, 26, 26, 27, 27, 28, 28, 29, 29, 29, 30, 30, 31, 31, 32, 32, 32, 33, 33, 33, 34, 34, 34, 35, 35, 36, 36, 36, 37, 37, 37, 38, 38, 38, 39, 39, 39, 39, 40, 40, 40, 41, 41, 41, 42, 42
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OFFSET

1,1


LINKS



FORMULA

a(n) = floor(sqrt(25n+49)).


MAPLE

seq(floor(sqrt(25*n+49)), n=1..90);


MATHEMATICA

Floor[Total/@Partition[Sqrt[Range[80]], 5, 1]] (* Harvey P. Dale, Nov 08 2020 *)


PROG

(PARI) vector(80, n, sqrtint(25*n+49)) \\ Michel Marcus, Jun 27 2015


CROSSREFS



KEYWORD

nonn


AUTHOR



STATUS

approved



