A084421 - OEIS

A084421

a(n) = A005187(A000040(n)).

3, 4, 8, 11, 19, 23, 32, 35, 42, 54, 57, 71, 79, 82, 89, 102, 113, 117, 131, 138, 143, 153, 162, 174, 191, 198, 201, 209, 213, 222, 247, 259, 271, 274, 294, 297, 309, 322, 329, 341, 353, 357, 375, 383, 390, 393, 417, 439, 449, 453, 461, 471, 477, 495, 512

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

OFFSET

1,1

LINKS

Table of n, a(n) for n=1..55.

EXAMPLE

A000040(6)=13 -> [13/2]=6 -> [6/2]=3 -> [3/2]=1

.......... 13 -> 13+6=19 -> 19+3=22 -> 22+1=23=a(6).

MAPLE

A084421 := proc(n)

A005187(ithprime(n)) ;

end proc: