A053232 Numbers for which values not equal to 2 occur in the expansion of A053230.

1, 2, 23, 31, 32, 38, 39, 54, 59, 67, 68, 74, 75, 84, 98, 99, 114, 128, 129, 138, 149, 157, 158, 172, 177, 197, 198, 201, 202, 228, 229, 232, 240, 241, 247, 248, 257, 262, 263, 277, 278, 281, 283, 284, 293, 307, 308, 311, 313, 314, 332, 333, 339, 340, 349, 350

Offset: 1

Author

Asher Auel, Jan 10 2000

Keywords

• nonn

Crossrefs

Cf. A000203, A053224, A053230, A053231, A053233, A053234, A053235, A053236, A053237.

Programs

Maple

with(numtheory): f := [seq( `if`((sigma(i+1) > sigma(i)),i,print( )), i=1..5000)];
seq( `if`(f[i+1] - f[i] <> 2,i,print( )), i=1..100);