A064424 Record high values in A064413.

1, 2, 4, 6, 9, 12, 15, 18, 21, 24, 33, 35, 39, 51, 57, 69, 70, 87, 93, 111, 123, 129, 141, 159, 177, 183, 201, 213, 219, 237, 249, 267, 291, 303, 309, 321, 327, 339, 381, 393, 411, 417, 447, 453, 471, 489, 501, 519, 537, 543, 573, 579, 591, 597

Offset

1,2

Comments

RECORDS transform of A064413.

Links

T. D. Noe, Table of n, a(n) for n=1..1000

J. C. Lagarias, E. M. Rains and N. J. A. Sloane, The EKG sequence, Exper. Math. 11 (2002), 437-446.

N. J. A. Sloane, Transforms

Index entries for sequences related to EKG sequence

Prog

(PARI) A064424(N, show=0)={ my(a=min(N, 2), u=0, L=3, m); show & print1(1); for( k=3, N, m=a; show & print1(", "m); for( i=0, 1e9, bittest(u, i) & next; gcd(a, L+i)>1 | next; a=L+i; if( i, u+=1<<i, while( bittest(u, i++), ); u>>=i; L+=i); a>m & break; i=-1)); a } \\ - M. F. Hasler, Nov 28 2010

Crossrefs

Cf. A064413, A074177.

Sequence in context: A256393 A130664 A014011 * A067850 A130240 A143118

Adjacent sequences: A064421 A064422 A064423 * A064425 A064426 A064427

Keyword

nonn,easy

Author

N. J. A. Sloane, Sep 30 2001

Extensions

More terms from Naohiro Nomoto, Apr 21 2002

Status

approved