A248388 Indices of composite terms in A247665.

3, 6, 7, 13, 15, 27, 28, 31, 32, 40, 50, 55, 57, 63, 65, 82, 101, 111, 112, 115, 116, 127, 131, 132, 165, 172, 203, 204, 223, 225, 231, 233, 255, 263, 264, 278, 331, 332, 358, 407, 408, 417, 447, 448, 451, 455, 463, 467, 511, 527, 557, 661, 663, 665, 717, 761

Offset

1,1

Links

Russ Cox and N. J. A. Sloane, Table of n, a(n) for n = 1..19456

Crossrefs

Cf. A247665, A248387, A248379, A248390.

Sequence in context: A191290 A137595 A033053 * A354765 A107850 A216514

Adjacent sequences: A248385 A248386 A248387 * A248389 A248390 A248391

Keyword

nonn

Author

Russ Cox and N. J. A. Sloane, Oct 16 2014

Status

approved