A069029 Powers of 4 with strictly increasing sum of digits.

1, 4, 16, 64, 256, 4096, 16384, 65536, 1048576, 16777216, 67108864, 268435456, 4294967296, 17179869184, 68719476736, 274877906944, 70368744177664, 281474976710656, 1125899906842624, 4503599627370496, 18014398509481984, 72057594037927936, 18446744073709551616

Offset

1,2

Links

Table of n, a(n) for n=1..23.

Index to divisibility sequences

Crossrefs

Cf. A069027, A069028.

Sequence in context: A050734 A075614 A083592 * A238940 A083589 A098590

Adjacent sequences: A069026 A069027 A069028 * A069030 A069031 A069032

Keyword

nonn,base

Author

Amarnath Murthy, Apr 02 2002

Extensions

More terms from Larry Reeves (larryr(AT)acm.org), Jun 26 2002

Status

approved