A111681 - OEIS

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A111681

First column of array in A111679.

2

1, 2, 5, 4, 13, 6, 31, 8, 121, 26, 61, 12, 109, 58, 106, 16, 181, 92, 277, 244, 155, 218, 397, 24, 1849, 302, 12167, 423, 547, 30, 733, 32, 393, 505, 626, 36, 947, 749, 886, 488, 1213, 286, 1499, 711, 1143, 1027, 1831, 48, 27889, 1719, 1195, 2308, 2207, 1576

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

LINKS

Table of n, a(n) for n=1..54.

CROSSREFS

Cf. A111679, A111680.

Sequence in context: A126356 A121274 A256464 * A073122 A277020 A084410

Adjacent sequences: A111678 A111679 A111680 * A111682 A111683 A111684

KEYWORD

nonn

AUTHOR

Amarnath Murthy, Aug 16 2005

EXTENSIONS

Extended by Ray Chandler, Sep 01 2005

STATUS

approved