A044013 Numbers n such that 2 and 3 occur juxtaposed in the base 10 representation of n but not of n+1.

23, 32, 123, 132, 223, 239, 329, 332, 423, 432, 523, 532, 623, 632, 723, 732, 823, 832, 923, 932, 1023, 1032, 1123, 1132, 1223, 1239, 1329, 1332, 1423, 1432, 1523, 1532, 1623, 1632, 1723, 1732, 1823, 1832, 1923, 1932, 2023