A083723 - OEIS

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A083723

a(n) = (prime(n)+1)*n - 1.

1

2, 7, 17, 31, 59, 83, 125, 159, 215, 299, 351, 455, 545, 615, 719, 863, 1019, 1115, 1291, 1439, 1553, 1759, 1931, 2159, 2449, 2651, 2807, 3023, 3189, 3419, 3967, 4223, 4553, 4759, 5249, 5471, 5845, 6231, 6551, 6959, 7379, 7643, 8255, 8535, 8909, 9199, 9963

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OFFSET

1,1

LINKS

Table of n, a(n) for n=1..47.

MATHEMATICA

Table[n(Prime[n]+1)-1, {n, 50}] (* Harvey P. Dale, Apr 19 2018 *)

CROSSREFS

Sequence in context: A019398 A086513 A166381 * A294866 A045947 A321123

Adjacent sequences: A083720 A083721 A083722 * A083724 A083725 A083726

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Jun 16 2003

STATUS

approved