A327724 Product of A003059 and A071797.

1, 2, 4, 6, 3, 6, 9, 12, 15, 4, 8, 12, 16, 20, 24, 28, 5, 10, 15, 20, 25, 30, 35, 40, 45, 6, 12, 18, 24, 30, 36, 42, 48, 54, 60, 66, 7, 14, 21, 28, 35, 42, 49, 56, 63, 70, 77, 84, 91, 8, 16, 24, 32, 40, 48, 56, 64, 72, 80, 88, 96, 104, 112, 120, 9, 18, 27, 36, 45, 54

Offset

1,2

Links

Table of n, a(n) for n=1..70.

Prog

(PARI) a(n) = {(1+sqrtint(n-1))*(n-sqrtint(n-1)^2)} \\ Andrew Howroyd, Sep 23 2019

Crossrefs

Cf. A003059, A071797.

Sequence in context: A161184 A349543 A140645 * A117532 A287662 A278376

Adjacent sequences: A327721 A327722 A327723 * A327725 A327726 A327727

Keyword

nonn

Author

Todor Szimeonov, Sep 23 2019

Status

approved