A038446 Sums of 4 distinct powers of 10.

1111, 10111, 11011, 11101, 11110, 100111, 101011, 101101, 101110, 110011, 110101, 110110, 111001, 111010, 111100, 1000111, 1001011, 1001101, 1001110, 1010011, 1010101, 1010110, 1011001, 1011010, 1011100, 1100011, 1100101, 1100110, 1101001, 1101010, 1101100, 1110001

Offset

1,1

Links

Amiram Eldar, Table of n, a(n) for n = 1..10000

Mathematica

Total/@Subsets[10^Range[0, 6], {4}]//Union (* Harvey P. Dale, Nov 07 2021 *)

Crossrefs

Cf. A011557, A157711 (primes subsequence).

Cf. A038444, A038445, A038447, A038448, A038449, A038450, A038451, A038452, A038453, A038454.

Sequence in context: A175464 A326110 A043496 * A115781 A115802 A115812

Adjacent sequences: A038443 A038444 A038445 * A038447 A038448 A038449

Keyword

nonn,easy

Author

Olivier Gérard

Extensions

Offset corrected by Amiram Eldar, Jul 12 2022

Status

approved