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A292926
a(n) = prime(n)*prime(n+1) + prime(n+2).
2
11, 22, 46, 90, 160, 240, 346, 466, 698, 936, 1188, 1560, 1810, 2074, 2550, 3188, 3666, 4158, 4830, 5262, 5850, 6646, 7484, 8734, 9900, 10510, 11130, 11776, 12444, 14482, 16774, 18086, 19192, 20862, 22656, 23870, 25758, 27394, 29070, 31148, 32590, 34764, 37060
OFFSET
1,1
FORMULA
a(n) = A006094(n) + A000040(n+2). - Elmo R. Oliveira, Jan 19 2023
EXAMPLE
2*3+5 = 11.
MAPLE
seq(ithprime(n)*ithprime(n+1)+ithprime(n+2), n=1..10^3); # Muniru A Asiru, Oct 01 2017
MATHEMATICA
Table[Prime[n]*Prime[n + 1] + Prime[n + 2], {n, 50}] (* Wesley Ivan Hurt, Oct 29 2017 *)
PROG
(GAP)
A:=Filtered([1..10^5], IsPrime);; A292926:=List([1..Length(A)-2], n->A[n]*A[n+1]+A[n+2]); # Muniru A Asiru, Oct 01 2017
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
STATUS
approved