A020937 Greatest k such that (k-th prime) < (7 times n-th prime).

6, 8, 11, 15, 21, 24, 30, 32, 37, 46, 47, 55, 61, 62, 66, 73, 80, 82, 91, 94, 97, 101, 106, 114, 123, 126, 128, 132, 135, 138, 154, 156, 162, 164, 175, 177, 184, 189, 192, 197, 204, 205, 217, 217, 220, 221, 233, 246, 250, 252, 258, 263, 263, 273, 278, 282, 289

Offset

1,1

Links

Table of n, a(n) for n=1..57.

Crossrefs

Cf. A020900, A020901, A020934-A020940.

Sequence in context: A287398 A167499 A020716 * A183208 A048586 A080824

Adjacent sequences: A020934 A020935 A020936 * A020938 A020939 A020940

Keyword

nonn

Author

Clark Kimberling

Extensions

More terms from Henry Bottomley, Nov 13 2000

Status

approved