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A064424 Record high values in A064413. 3
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 (list; graph; refs; listen; history; text; internal format)
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

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Last modified July 27 18:27 EDT 2021. Contains 346308 sequences. (Running on oeis4.)