29961
domain: N
Appears in sequences
- Centered 4-dimensional orthoplex numbers (crystal ball sequence for 4-dimensional cubic lattice).at n=14A001846
- Number of nodes in virtual, "optimal", chordal graphs of diameter 4 and degree n+1.at n=26A067956
- Self-convolution forms A093635.at n=9A093636
- A symmetric number triangle based on 2^n.at n=47A108477
- A symmetric number triangle based on 2^n.at n=52A108477
- Numbers k such that if you subtract k-reversed from k you get a natural number with the same digits as k.at n=9A121969
- a(n) is the smallest number m such that the sum of the digits of n+m is n.at n=37A130692
- Numbers a = b + c where a, b, and c contain the same decimal digits.at n=41A203024
- Left-hand half of triangle A297191.at n=49A297192
- Terms k of A228058 such that gcd(k - A048250(k), A162296(k) - k) = A162296(k) - k.at n=45A325376
- Numbers k in A228058 such that also A001065(k) is in A228058.at n=36A325380
- Odd composites k such that sigma(k) has the same powerful part as k, where sigma is the sum of divisors function.at n=27A386425
- Triangle read by rows: T(n,k) = number of heapable permutations of length n with exactly k consecutive pairs.at n=46A389993