A013637 n*prevprime(n).

6, 12, 15, 30, 35, 56, 63, 70, 77, 132, 143, 182, 195, 208, 221, 306, 323, 380, 399, 418, 437, 552, 575, 598, 621, 644, 667, 870, 899, 992, 1023, 1054, 1085, 1116, 1147, 1406, 1443, 1480, 1517, 1722, 1763

Offset

3,1

Links

Table of n, a(n) for n=3..43.

Maple

[ seq(prevprime(i)*i, i=3..100) ];

Crossrefs

Sequence in context: A315622 A315623 A315624 * A257223 A092455 A315625

Adjacent sequences: A013634 A013635 A013636 * A013638 A013639 A013640

Keyword

nonn

Author

N. J. A. Sloane.

Status

approved