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A221181 Records in A096335 (values). 2
0, 2, 3, 8, 13, 26, 39, 41, 47, 82, 85, 376, 402, 1190, 1193, 1261, 1353, 1425, 1426, 2217, 3840, 3842, 3846, 4129, 4131, 5922, 6250, 6252, 12203, 16807, 17081, 18257, 18258, 19039, 19043, 19070, 21185, 21187, 21397, 31602, 36888, 36889, 40422, 67383, 67384 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

At present it is not known whether this sequence is finite or infinite.

LINKS

Table of n, a(n) for n=1..45.

Rémy Sigrist, C program for A221181

PROG

(C) See Links section.

CROSSREFS

Cf. A064491, A096335, A221182.

Sequence in context: A004138 A213046 A262021 * A116503 A291589 A105204

Adjacent sequences:  A221178 A221179 A221180 * A221182 A221183 A221184

KEYWORD

nonn

AUTHOR

T. D. Noe and N. J. A. Sloane, Jan 15 2013

EXTENSIONS

More terms from Rémy Sigrist, Nov 06 2020

STATUS

approved

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Last modified June 30 03:34 EDT 2022. Contains 354913 sequences. (Running on oeis4.)