A045230 Numbers whose base-5 representation contains exactly three 1's and one 2.

157, 161, 181, 281, 657, 661, 681, 757, 761, 777, 785, 788, 789, 792, 797, 801, 805, 808, 809, 816, 821, 832, 836, 857, 861, 881, 901, 905, 908, 909, 916, 921, 956, 981, 1032, 1036, 1056, 1157, 1161, 1181, 1281, 1381, 1401

Offset

1,1

Links

Table of n, a(n) for n=1..43.

Crossrefs

Cf. A007091.

Sequence in context: A028675 A248504 A090851 * A180551 A096704 A178091

Adjacent sequences: A045227 A045228 A045229 * A045231 A045232 A045233

Keyword

nonn,base

Author

Clark Kimberling

Status

approved