A070331 - OEIS

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A070331

Numbers in which suffixing or inserting a 0 anywhere yields only composite numbers.

1

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 38, 39, 40, 42, 43, 44, 45, 46, 47, 48, 50, 51, 52, 54, 55, 56, 57, 58, 60, 62, 63, 64, 65, 66, 68, 69, 70, 72, 73, 74, 75, 76, 77, 78, 80, 81, 82, 83, 84, 85

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

OFFSET

1,2

LINKS

Table of n, a(n) for n=1..72.

CROSSREFS

Cf. A002808, A070330.

Sequence in context: A247805 A164713 A343185 * A080672 A056757 A349898

Adjacent sequences: A070328 A070329 A070330 * A070332 A070333 A070334

KEYWORD

base,nonn

AUTHOR

Amarnath Murthy, May 11 2002

EXTENSIONS

More terms from Sascha Kurz, Jan 04 2003

STATUS

approved