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A044356
Numbers n such that string 2,4 occurs in the base 10 representation of n but not of n-1.
0
24, 124, 224, 240, 324, 424, 524, 624, 724, 824, 924, 1024, 1124, 1224, 1240, 1324, 1424, 1524, 1624, 1724, 1824, 1924, 2024, 2124, 2224, 2240, 2324, 2400, 2524, 2624, 2724, 2824, 2924, 3024, 3124, 3224, 3240, 3324, 3424
OFFSET
1,1
CROSSREFS
Sequence in context: A042120 A002980 A244794 * A044737 A305159 A326367
KEYWORD
nonn,base
STATUS
approved