A037286 - OEIS

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A037286

Replace 2n+1 with concatenation of its divisors.

0

1, 13, 15, 17, 139, 111, 113, 13515, 117, 119, 13721, 123, 1525, 13927, 129, 131, 131133, 15735, 137, 131339, 141, 143, 13591545, 147, 1749, 131751, 153, 151155, 131957, 159, 161, 13792163, 151365, 167, 132369, 171, 173, 135152575, 171177

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OFFSET

0,2

LINKS

Table of n, a(n) for n=0..38.

EXAMPLE

Divisors of 15 are 1,3,5,15, so a(7)=13515

CROSSREFS

Sequence in context: A068893 A079829 A096090 * A166533 A166534 A126727

Adjacent sequences: A037283 A037284 A037285 * A037287 A037288 A037289

KEYWORD

nonn,base,easy

AUTHOR

N. J. A. Sloane

EXTENSIONS

More terms from Erich Friedman

STATUS

approved