A067288 Records for the number of integers k such that k is not of the form m + reverse(m) for any m and for some n A067030(n) occurs in the 'Reverse and Add' trajectory of k (cf. A067284).

1, 2, 3, 5, 8, 12, 13, 21, 22, 30, 38, 39, 42, 46, 71, 90, 94, 150, 254, 286, 404, 434, 578, 586, 602, 643, 758, 799, 813, 847, 1131, 1162, 1169, 1334, 1742, 2093, 2120, 2378, 2663, 2892, 3208, 3383, 3585, 3685, 3999, 4818, 4942, 5766, 5959

Offset

1,2

Comments

Successive maxima in sequence A067284. A067287 gives the corresponding integers at which these records are attained.

Links

Table of n, a(n) for n=1..49.

Index entries for sequences related to Reverse and Add!

Example

3 is a record, since for A067030(12) = 33 there are three integers k not of the form j + reverse(j) for any j such that 33 occurs in the "Reverse and Add!" trajectory of these k and for m < 33 there are at most two integers which have the corresponding property.

Crossrefs

Cf. A067030, A067031, A067032, A067035, A067036, A067284, A067287.

Sequence in context: A243165 A336993 A176746 * A308075 A211181 A028766

Adjacent sequences: A067285 A067286 A067287 * A067289 A067290 A067291

Keyword

base,nonn

Author

Klaus Brockhaus, Feb 04 2002

Extensions

More terms from Larry Reeves (larryr(AT)acm.org), Dec 18 2002

Offset and a(27) onward corrected by Sean A. Irvine, Dec 12 2023

Status

approved