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

Author

N. J. A. Sloane, Sep 30 2001

Keywords

• nonn
• easy

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

Crossrefs

Cf. A064413, A074177.

Programs

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; L+=i); a>m & break; i=-1)); a } \\ - M. F. Hasler, Nov 28 2010

Extensions

More terms from Naohiro Nomoto, Apr 21 2002