A241672 Numbers k such that A035014(k) begins with a 4.

1, 2, 6, 11, 15, 17, 18, 20, 21, 22, 23, 25, 26, 29, 33, 40, 43, 45, 48, 49, 50, 52, 54, 57, 58, 60, 62, 66, 70, 73, 74, 75, 77, 78, 79, 80, 81, 86, 88, 90, 91, 94, 95, 98, 101, 103, 107, 108, 110, 112, 115, 117, 118, 120, 123, 124, 126, 127, 128, 129, 131, 136, 138, 139, 140, 143, 144, 145, 146

Offset

1,2

Comments

A023402(n) = 4 for numbers in the sequence, 3 for numbers not in the sequence.

Links

Table of n, a(n) for n=1..69.

Example

3 is not in the sequence because A035014(3) begins with a 3.

Crossrefs

Cf. A035014, A023402, A241687 (complement).

Sequence in context: A140486 A138327 A057244 * A035487 A299637 A190889

Adjacent sequences: A241669 A241670 A241671 * A241673 A241674 A241675

Keyword

nonn,base

Author

J. Lowell, Apr 26 2014

Extensions

More terms from R. J. Mathar, May 02 2014

Status

approved